diff --git a/src/ai/ai_gui.cpp b/src/ai/ai_gui.cpp
--- a/src/ai/ai_gui.cpp
+++ b/src/ai/ai_gui.cpp
@@ -258,7 +258,7 @@ struct AISettingsWindow : public Window 
 
 			int x = 0;
 			if (((*it).flags & AICONFIG_BOOLEAN) != 0) {
-				DrawFrameRect(4, y  + 2, 23, y + 10, (current_value != 0) ? 6 : 4, (current_value != 0) ? FR_LOWERED : FR_NONE);
+				DrawFrameRect(4, y  + 2, 23, y + 10, (current_value != 0) ? COLOUR_GREEN : COLOUR_RED, (current_value != 0) ? FR_LOWERED : FR_NONE);
 			} else {
 				DrawArrowButtons(4, y + 2, COLOUR_YELLOW, (this->clicked_button == i) ? 1 + !!this->clicked_increase : 0, current_value > (*it).min_value, current_value < (*it).max_value);
 				if (it->labels != NULL && it->labels->Find(current_value) != it->labels->End()) {
diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -584,7 +584,7 @@ CommandCost CmdRefitAircraft(TileIndex t
 		u->cargo.Truncate(v->cargo_type == new_cid ? mail : 0);
 		v->cargo_type = new_cid;
 		v->cargo_subtype = new_subtype;
-		v->colormap = PAL_NONE; // invalidate vehicle colour map
+		v->colourmap = PAL_NONE; // invalidate vehicle colour map
 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
 		InvalidateWindowClassesData(WC_AIRCRAFT_LIST, 0);
diff --git a/src/blitter/32bpp_anim.cpp b/src/blitter/32bpp_anim.cpp
--- a/src/blitter/32bpp_anim.cpp
+++ b/src/blitter/32bpp_anim.cpp
@@ -129,11 +129,11 @@ inline void Blitter_32bppAnim::Draw(cons
 					break;
 
 				case BM_TRANSPARENT:
-					/* TODO -- We make an assumption here that the remap in fact is transparency, not some color.
+					/* TODO -- We make an assumption here that the remap in fact is transparency, not some colour.
 					 *  This is never a problem with the code we produce, but newgrfs can make it fail... or at least:
 					 *  we produce a result the newgrf maker didn't expect ;) */
 
-					/* Make the current color a bit more black, so it looks like this image is transparent */
+					/* Make the current colour a bit more black, so it looks like this image is transparent */
 					src_n += n;
 					if (src_px->a == 255) {
 						src_px += n;
@@ -212,11 +212,11 @@ void Blitter_32bppAnim::Draw(Blitter::Bl
 	}
 }
 
-void Blitter_32bppAnim::DrawColorMappingRect(void *dst, int width, int height, int pal)
+void Blitter_32bppAnim::DrawColourMappingRect(void *dst, int width, int height, int pal)
 {
 	if (_screen_disable_anim) {
-		/* This means our output is not to the screen, so we can't be doing any animation stuff, so use our parent DrawColorMappingRect() */
-		Blitter_32bppOptimized::DrawColorMappingRect(dst, width, height, pal);
+		/* This means our output is not to the screen, so we can't be doing any animation stuff, so use our parent DrawColourMappingRect() */
+		Blitter_32bppOptimized::DrawColourMappingRect(dst, width, height, pal);
 		return;
 	}
 
@@ -252,38 +252,38 @@ void Blitter_32bppAnim::DrawColorMapping
 		return;
 	}
 
-	DEBUG(misc, 0, "32bpp blitter doesn't know how to draw this color table ('%d')", pal);
+	DEBUG(misc, 0, "32bpp blitter doesn't know how to draw this colour table ('%d')", pal);
 }
 
-void Blitter_32bppAnim::SetPixel(void *video, int x, int y, uint8 color)
+void Blitter_32bppAnim::SetPixel(void *video, int x, int y, uint8 colour)
 {
-	*((uint32 *)video + x + y * _screen.pitch) = LookupColourInPalette(color);
+	*((uint32 *)video + x + y * _screen.pitch) = LookupColourInPalette(colour);
 
-	/* Set the color in the anim-buffer too, if we are rendering to the screen */
+	/* Set the colour in the anim-buffer too, if we are rendering to the screen */
 	if (_screen_disable_anim) return;
-	this->anim_buf[((uint32 *)video - (uint32 *)_screen.dst_ptr) + x + y * this->anim_buf_width] = color;
+	this->anim_buf[((uint32 *)video - (uint32 *)_screen.dst_ptr) + x + y * this->anim_buf_width] = colour;
 }
 
-void Blitter_32bppAnim::SetPixelIfEmpty(void *video, int x, int y, uint8 color)
+void Blitter_32bppAnim::SetPixelIfEmpty(void *video, int x, int y, uint8 colour)
 {
 	uint32 *dst = (uint32 *)video + x + y * _screen.pitch;
 	if (*dst == 0) {
-		*dst = LookupColourInPalette(color);
-		/* Set the color in the anim-buffer too, if we are rendering to the screen */
+		*dst = LookupColourInPalette(colour);
+		/* Set the colour in the anim-buffer too, if we are rendering to the screen */
 		if (_screen_disable_anim) return;
-		this->anim_buf[((uint32 *)video - (uint32 *)_screen.dst_ptr) + x + y * this->anim_buf_width] = color;
+		this->anim_buf[((uint32 *)video - (uint32 *)_screen.dst_ptr) + x + y * this->anim_buf_width] = colour;
 	}
 }
 
-void Blitter_32bppAnim::DrawRect(void *video, int width, int height, uint8 color)
+void Blitter_32bppAnim::DrawRect(void *video, int width, int height, uint8 colour)
 {
 	if (_screen_disable_anim) {
 		/* This means our output is not to the screen, so we can't be doing any animation stuff, so use our parent DrawRect() */
-		Blitter_32bppOptimized::DrawRect(video, width, height, color);
+		Blitter_32bppOptimized::DrawRect(video, width, height, colour);
 		return;
 	}
 
-	uint32 color32 = LookupColourInPalette(color);
+	uint32 colour32 = LookupColourInPalette(colour);
 	uint8 *anim_line;
 
 	anim_line = ((uint32 *)video - (uint32 *)_screen.dst_ptr) + this->anim_buf;
@@ -293,9 +293,9 @@ void Blitter_32bppAnim::DrawRect(void *v
 		uint8 *anim = anim_line;
 
 		for (int i = width; i > 0; i--) {
-			*dst = color32;
-			/* Set the color in the anim-buffer too */
-			*anim = color;
+			*dst = colour32;
+			/* Set the colour in the anim-buffer too */
+			*anim = colour;
 			dst++;
 			anim++;
 		}
diff --git a/src/blitter/32bpp_anim.hpp b/src/blitter/32bpp_anim.hpp
--- a/src/blitter/32bpp_anim.hpp
+++ b/src/blitter/32bpp_anim.hpp
@@ -22,10 +22,10 @@ public:
 	{}
 
 	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
-	/* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
-	/* virtual */ void SetPixel(void *video, int x, int y, uint8 color);
-	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color);
-	/* virtual */ void DrawRect(void *video, int width, int height, uint8 color);
+	/* virtual */ void DrawColourMappingRect(void *dst, int width, int height, int pal);
+	/* virtual */ void SetPixel(void *video, int x, int y, uint8 colour);
+	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 colour);
+	/* virtual */ void DrawRect(void *video, int width, int height, uint8 colour);
 	/* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height);
 	/* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height);
 	/* virtual */ void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y);
diff --git a/src/blitter/32bpp_base.cpp b/src/blitter/32bpp_base.cpp
--- a/src/blitter/32bpp_base.cpp
+++ b/src/blitter/32bpp_base.cpp
@@ -11,32 +11,32 @@ void *Blitter_32bppBase::MoveTo(const vo
 	return (uint32 *)video + x + y * _screen.pitch;
 }
 
-void Blitter_32bppBase::SetPixel(void *video, int x, int y, uint8 color)
+void Blitter_32bppBase::SetPixel(void *video, int x, int y, uint8 colour)
 {
-	*((uint32 *)video + x + y * _screen.pitch) = LookupColourInPalette(color);
+	*((uint32 *)video + x + y * _screen.pitch) = LookupColourInPalette(colour);
 }
 
-void Blitter_32bppBase::SetPixelIfEmpty(void *video, int x, int y, uint8 color)
+void Blitter_32bppBase::SetPixelIfEmpty(void *video, int x, int y, uint8 colour)
 {
 	uint32 *dst = (uint32 *)video + x + y * _screen.pitch;
-	if (*dst == 0) *dst = LookupColourInPalette(color);
+	if (*dst == 0) *dst = LookupColourInPalette(colour);
 }
 
-void Blitter_32bppBase::DrawRect(void *video, int width, int height, uint8 color)
+void Blitter_32bppBase::DrawRect(void *video, int width, int height, uint8 colour)
 {
-	uint32 color32 = LookupColourInPalette(color);
+	uint32 colour32 = LookupColourInPalette(colour);
 
 	do {
 		uint32 *dst = (uint32 *)video;
 		for (int i = width; i > 0; i--) {
-			*dst = color32;
+			*dst = colour32;
 			dst++;
 		}
 		video = (uint32 *)video + _screen.pitch;
 	} while (--height);
 }
 
-void Blitter_32bppBase::DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color)
+void Blitter_32bppBase::DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour)
 {
 	int dy;
 	int dx;
@@ -60,7 +60,7 @@ void Blitter_32bppBase::DrawLine(void *v
 		stepx = 1;
 	}
 
-	if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, color);
+	if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
 	if (dx > dy) {
 		frac = dy - (dx / 2);
 		while (x != x2) {
@@ -70,7 +70,7 @@ void Blitter_32bppBase::DrawLine(void *v
 			}
 			x += stepx;
 			frac += dy;
-			if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, color);
+			if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
 		}
 	} else {
 		frac = dx - (dy / 2);
@@ -81,7 +81,7 @@ void Blitter_32bppBase::DrawLine(void *v
 			}
 			y += stepy;
 			frac += dx;
-			if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, color);
+			if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
 		}
 	}
 }
diff --git a/src/blitter/32bpp_base.hpp b/src/blitter/32bpp_base.hpp
--- a/src/blitter/32bpp_base.hpp
+++ b/src/blitter/32bpp_base.hpp
@@ -12,13 +12,13 @@ class Blitter_32bppBase : public Blitter
 public:
 	/* virtual */ uint8 GetScreenDepth() { return 32; }
 //	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
-//	/* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+//	/* virtual */ void DrawColourMappingRect(void *dst, int width, int height, int pal);
 //	/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
 	/* virtual */ void *MoveTo(const void *video, int x, int y);
-	/* virtual */ void SetPixel(void *video, int x, int y, uint8 color);
-	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color);
-	/* virtual */ void DrawRect(void *video, int width, int height, uint8 color);
-	/* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color);
+	/* virtual */ void SetPixel(void *video, int x, int y, uint8 colour);
+	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 colour);
+	/* virtual */ void DrawRect(void *video, int width, int height, uint8 colour);
+	/* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour);
 	/* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height);
 	/* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height);
 	/* virtual */ void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch);
diff --git a/src/blitter/32bpp_optimized.cpp b/src/blitter/32bpp_optimized.cpp
--- a/src/blitter/32bpp_optimized.cpp
+++ b/src/blitter/32bpp_optimized.cpp
@@ -136,11 +136,11 @@ inline void Blitter_32bppOptimized::Draw
 					break;
 
 				case BM_TRANSPARENT:
-					/* TODO -- We make an assumption here that the remap in fact is transparency, not some color.
+					/* TODO -- We make an assumption here that the remap in fact is transparency, not some colour.
 					 *  This is never a problem with the code we produce, but newgrfs can make it fail... or at least:
 					 *  we produce a result the newgrf maker didn't expect ;) */
 
-					/* Make the current color a bit more black, so it looks like this image is transparent */
+					/* Make the current colour a bit more black, so it looks like this image is transparent */
 					src_n += n;
 					if (src_px->a == 255) {
 						src_px += n;
diff --git a/src/blitter/32bpp_simple.cpp b/src/blitter/32bpp_simple.cpp
--- a/src/blitter/32bpp_simple.cpp
+++ b/src/blitter/32bpp_simple.cpp
@@ -39,11 +39,11 @@ void Blitter_32bppSimple::Draw(Blitter::
 					break;
 
 				case BM_TRANSPARENT:
-					/* TODO -- We make an assumption here that the remap in fact is transparency, not some color.
+					/* TODO -- We make an assumption here that the remap in fact is transparency, not some colour.
 					 *  This is never a problem with the code we produce, but newgrfs can make it fail... or at least:
 					 *  we produce a result the newgrf maker didn't expect ;) */
 
-					/* Make the current color a bit more black, so it looks like this image is transparent */
+					/* Make the current colour a bit more black, so it looks like this image is transparent */
 					if (src->a != 0) *dst = MakeTransparent(*dst, 192);
 					break;
 
@@ -57,7 +57,7 @@ void Blitter_32bppSimple::Draw(Blitter::
 	}
 }
 
-void Blitter_32bppSimple::DrawColorMappingRect(void *dst, int width, int height, int pal)
+void Blitter_32bppSimple::DrawColourMappingRect(void *dst, int width, int height, int pal)
 {
 	uint32 *udst = (uint32 *)dst;
 
@@ -82,7 +82,7 @@ void Blitter_32bppSimple::DrawColorMappi
 		return;
 	}
 
-	DEBUG(misc, 0, "32bpp blitter doesn't know how to draw this color table ('%d')", pal);
+	DEBUG(misc, 0, "32bpp blitter doesn't know how to draw this colour table ('%d')", pal);
 }
 
 Sprite *Blitter_32bppSimple::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
@@ -102,10 +102,10 @@ Sprite *Blitter_32bppSimple::Encode(Spri
 	for (int i = 0; i < sprite->height * sprite->width; i++) {
 		if (dst[i].m != 0) {
 			/* Pre-convert the mapping channel to a RGB value */
-			uint color = this->LookupColourInPalette(dst[i].m);
-			dst[i].r = GB(color, 16, 8);
-			dst[i].g = GB(color, 8,  8);
-			dst[i].b = GB(color, 0,  8);
+			uint colour = this->LookupColourInPalette(dst[i].m);
+			dst[i].r = GB(colour, 16, 8);
+			dst[i].g = GB(colour, 8,  8);
+			dst[i].b = GB(colour, 0,  8);
 		}
 	}
 
diff --git a/src/blitter/32bpp_simple.hpp b/src/blitter/32bpp_simple.hpp
--- a/src/blitter/32bpp_simple.hpp
+++ b/src/blitter/32bpp_simple.hpp
@@ -11,7 +11,7 @@
 class Blitter_32bppSimple : public Blitter_32bppBase {
 public:
 	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
-	/* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+	/* virtual */ void DrawColourMappingRect(void *dst, int width, int height, int pal);
 	/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
 
 	/* virtual */ const char *GetName() { return "32bpp-simple"; }
diff --git a/src/blitter/8bpp_base.cpp b/src/blitter/8bpp_base.cpp
--- a/src/blitter/8bpp_base.cpp
+++ b/src/blitter/8bpp_base.cpp
@@ -6,7 +6,7 @@
 #include "../gfx_func.h"
 #include "8bpp_base.hpp"
 
-void Blitter_8bppBase::DrawColorMappingRect(void *dst, int width, int height, int pal)
+void Blitter_8bppBase::DrawColourMappingRect(void *dst, int width, int height, int pal)
 {
 	const uint8 *ctab = GetNonSprite(pal, ST_RECOLOUR) + 1;
 
@@ -21,26 +21,26 @@ void *Blitter_8bppBase::MoveTo(const voi
 	return (uint8 *)video + x + y * _screen.pitch;
 }
 
-void Blitter_8bppBase::SetPixel(void *video, int x, int y, uint8 color)
+void Blitter_8bppBase::SetPixel(void *video, int x, int y, uint8 colour)
 {
-	*((uint8 *)video + x + y * _screen.pitch) = color;
+	*((uint8 *)video + x + y * _screen.pitch) = colour;
 }
 
-void Blitter_8bppBase::SetPixelIfEmpty(void *video, int x, int y, uint8 color)
+void Blitter_8bppBase::SetPixelIfEmpty(void *video, int x, int y, uint8 colour)
 {
 	uint8 *dst = (uint8 *)video + x + y * _screen.pitch;
-	if (*dst == 0) *dst = color;
+	if (*dst == 0) *dst = colour;
 }
 
-void Blitter_8bppBase::DrawRect(void *video, int width, int height, uint8 color)
+void Blitter_8bppBase::DrawRect(void *video, int width, int height, uint8 colour)
 {
 	do {
-		memset(video, color, width);
+		memset(video, colour, width);
 		video = (uint8 *)video + _screen.pitch;
 	} while (--height);
 }
 
-void Blitter_8bppBase::DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color)
+void Blitter_8bppBase::DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour)
 {
 	int dy;
 	int dx;
@@ -64,7 +64,7 @@ void Blitter_8bppBase::DrawLine(void *vi
 		stepx = 1;
 	}
 
-	if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, color);
+	if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
 	if (dx > dy) {
 		frac = dy - (dx / 2);
 		while (x != x2) {
@@ -74,7 +74,7 @@ void Blitter_8bppBase::DrawLine(void *vi
 			}
 			x += stepx;
 			frac += dy;
-			if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, color);
+			if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
 		}
 	} else {
 		frac = dx - (dy / 2);
@@ -85,7 +85,7 @@ void Blitter_8bppBase::DrawLine(void *vi
 			}
 			y += stepy;
 			frac += dx;
-			if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, color);
+			if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
 		}
 	}
 }
diff --git a/src/blitter/8bpp_base.hpp b/src/blitter/8bpp_base.hpp
--- a/src/blitter/8bpp_base.hpp
+++ b/src/blitter/8bpp_base.hpp
@@ -11,13 +11,13 @@ class Blitter_8bppBase : public Blitter 
 public:
 	/* virtual */ uint8 GetScreenDepth() { return 8; }
 //	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
-	/* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+	/* virtual */ void DrawColourMappingRect(void *dst, int width, int height, int pal);
 //	/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
 	/* virtual */ void *MoveTo(const void *video, int x, int y);
-	/* virtual */ void SetPixel(void *video, int x, int y, uint8 color);
-	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color);
-	/* virtual */ void DrawRect(void *video, int width, int height, uint8 color);
-	/* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color);
+	/* virtual */ void SetPixel(void *video, int x, int y, uint8 colour);
+	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 colour);
+	/* virtual */ void DrawRect(void *video, int width, int height, uint8 colour);
+	/* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour);
 	/* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height);
 	/* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height);
 	/* virtual */ void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch);
diff --git a/src/blitter/8bpp_debug.cpp b/src/blitter/8bpp_debug.cpp
--- a/src/blitter/8bpp_debug.cpp
+++ b/src/blitter/8bpp_debug.cpp
@@ -44,10 +44,10 @@ Sprite *Blitter_8bppDebug::Encode(Sprite
 	dest_sprite->x_offs = sprite->x_offs;
 	dest_sprite->y_offs = sprite->y_offs;
 
-	/* Write a random color as sprite; this makes debugging really easy */
-	uint color = InteractiveRandom() % 150 + 2;
+	/* Write a random colour as sprite; this makes debugging really easy */
+	uint colour = InteractiveRandom() % 150 + 2;
 	for (int i = 0; i < sprite->height * sprite->width; i++) {
-		dest_sprite->data[i] = (sprite->data[i].m == 0) ? 0 : color;
+		dest_sprite->data[i] = (sprite->data[i].m == 0) ? 0 : colour;
 	}
 
 	return dest_sprite;
diff --git a/src/blitter/8bpp_optimized.cpp b/src/blitter/8bpp_optimized.cpp
--- a/src/blitter/8bpp_optimized.cpp
+++ b/src/blitter/8bpp_optimized.cpp
@@ -140,7 +140,7 @@ Sprite *Blitter_8bppOptimized::Encode(Sp
 			for (int x = 0; x < scaled_width; x++) {
 				uint colour = 0;
 
-				/* Get the color keeping in mind the zoom-level */
+				/* Get the colour keeping in mind the zoom-level */
 				for (int j = 0; j < scaled_1; j++) {
 					if (src->m != 0) colour = src->m;
 					/* Because of the scaling it might happen we read outside the buffer. Avoid that. */
diff --git a/src/blitter/8bpp_simple.cpp b/src/blitter/8bpp_simple.cpp
--- a/src/blitter/8bpp_simple.cpp
+++ b/src/blitter/8bpp_simple.cpp
@@ -25,22 +25,22 @@ void Blitter_8bppSimple::Draw(Blitter::B
 		src_line += bp->sprite_width * ScaleByZoom(1, zoom);
 
 		for (int x = 0; x < bp->width; x++) {
-			uint color = 0;
+			uint colour = 0;
 
 			switch (mode) {
 				case BM_COLOUR_REMAP:
-					color = bp->remap[*src];
+					colour = bp->remap[*src];
 					break;
 
 				case BM_TRANSPARENT:
-					if (*src != 0) color = bp->remap[*dst];
+					if (*src != 0) colour = bp->remap[*dst];
 					break;
 
 				default:
-					color = *src;
+					colour = *src;
 					break;
 			}
-			if (color != 0) *dst = color;
+			if (colour != 0) *dst = colour;
 			dst++;
 			src += ScaleByZoom(1, zoom);
 		}
diff --git a/src/blitter/base.hpp b/src/blitter/base.hpp
--- a/src/blitter/base.hpp
+++ b/src/blitter/base.hpp
@@ -54,15 +54,15 @@ public:
 	virtual void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) = 0;
 
 	/**
-	 * Draw a colortable to the screen. This is: the color of the screen is read
-	 *  and is looked-up in the palette to match a new color, which then is put
+	 * Draw a colourtable to the screen. This is: the colour of the screen is read
+	 *  and is looked-up in the palette to match a new colour, which then is put
 	 *  on the screen again.
 	 * @param dst the destination pointer (video-buffer).
 	 * @param width the width of the buffer.
 	 * @param height the height of the buffer.
 	 * @param pal the palette to use.
 	 */
-	virtual void DrawColorMappingRect(void *dst, int width, int height, int pal) = 0;
+	virtual void DrawColourMappingRect(void *dst, int width, int height, int pal) = 0;
 
 	/**
 	 * Convert a sprite from the loader to our own format.
@@ -80,33 +80,33 @@ public:
 	virtual void *MoveTo(const void *video, int x, int y) = 0;
 
 	/**
-	 * Draw a pixel with a given color on the video-buffer.
+	 * Draw a pixel with a given colour on the video-buffer.
 	 * @param video The destination pointer (video-buffer).
 	 * @param x The x position within video-buffer.
 	 * @param y The y position within video-buffer.
-	 * @param color A 8bpp mapping color.
+	 * @param colour A 8bpp mapping colour.
 	 */
-	virtual void SetPixel(void *video, int x, int y, uint8 color) = 0;
+	virtual void SetPixel(void *video, int x, int y, uint8 colour) = 0;
 
 	/**
-	 * Draw a pixel with a given color on the video-buffer if there is currently a black pixel.
+	 * Draw a pixel with a given colour on the video-buffer if there is currently a black pixel.
 	 * @param video The destination pointer (video-buffer).
 	 * @param x The x position within video-buffer.
 	 * @param y The y position within video-buffer.
-	 * @param color A 8bpp mapping color.
+	 * @param colour A 8bpp mapping colour.
 	 */
-	virtual void SetPixelIfEmpty(void *video, int x, int y, uint8 color) = 0;
+	virtual void SetPixelIfEmpty(void *video, int x, int y, uint8 colour) = 0;
 
 	/**
-	 * Make a single horizontal line in a single color on the video-buffer.
+	 * Make a single horizontal line in a single colour on the video-buffer.
 	 * @param video The destination pointer (video-buffer).
 	 * @param width The lenght of the line.
-	 * @param color A 8bpp mapping color.
+	 * @param colour A 8bpp mapping colour.
 	 */
-	virtual void DrawRect(void *video, int width, int height, uint8 color) = 0;
+	virtual void DrawRect(void *video, int width, int height, uint8 colour) = 0;
 
 	/**
-	 * Draw a line with a given color.
+	 * Draw a line with a given colour.
 	 * @param video The destination pointer (video-buffer).
 	 * @param x The x coordinate from where the line starts.
 	 * @param y The y coordinate from where the line starts.
@@ -114,9 +114,9 @@ public:
 	 * @param y2 The y coordinate to where the lines goes.
 	 * @param screen_width The width of the screen you are drawing in (to avoid buffer-overflows).
 	 * @param screen_height The height of the screen you are drawing in (to avoid buffer-overflows).
-	 * @param color A 8bpp mapping color.
+	 * @param colour A 8bpp mapping colour.
 	 */
-	virtual void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color) = 0;
+	virtual void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour) = 0;
 
 	/**
 	 * Copy from a buffer to the screen.
diff --git a/src/blitter/null.hpp b/src/blitter/null.hpp
--- a/src/blitter/null.hpp
+++ b/src/blitter/null.hpp
@@ -12,13 +12,13 @@ class Blitter_Null : public Blitter {
 public:
 	/* virtual */ uint8 GetScreenDepth() { return 0; }
 	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) {};
-	/* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal) {};
+	/* virtual */ void DrawColourMappingRect(void *dst, int width, int height, int pal) {};
 	/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
 	/* virtual */ void *MoveTo(const void *video, int x, int y) { return NULL; };
-	/* virtual */ void SetPixel(void *video, int x, int y, uint8 color) {};
-	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color) {};
-	/* virtual */ void DrawRect(void *video, int width, int height, uint8 color) {};
-	/* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color) {};
+	/* virtual */ void SetPixel(void *video, int x, int y, uint8 colour) {};
+	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 colour) {};
+	/* virtual */ void DrawRect(void *video, int width, int height, uint8 colour) {};
+	/* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour) {};
 	/* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height) {};
 	/* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height) {};
 	/* virtual */ void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) {};
diff --git a/src/bmp.cpp b/src/bmp.cpp
--- a/src/bmp.cpp
+++ b/src/bmp.cpp
@@ -322,10 +322,10 @@ bool BmpReadHeader(BmpBuffer *buffer, Bm
 	if (info->bpp <= 8) {
 		uint i;
 
-		/* Reads number of colors if available in info header */
+		/* Reads number of colours if available in info header */
 		if (header_size >= 16) {
 			SkipBytes(buffer, 12);                  // skip image size and resolution
-			info->palette_size = ReadDword(buffer); // number of colors in palette
+			info->palette_size = ReadDword(buffer); // number of colours in palette
 			SkipBytes(buffer, header_size - 16);    // skip the end of info header
 		}
 		if (info->palette_size == 0) info->palette_size = 1 << info->bpp;
diff --git a/src/bmp.h b/src/bmp.h
--- a/src/bmp.h
+++ b/src/bmp.h
@@ -14,7 +14,7 @@ struct BmpInfo {
 	bool os2_bmp;        ///< true if OS/2 1.x or windows 2.x bitmap
 	uint16 bpp;          ///< bits per pixel
 	uint32 compression;  ///< compression method (0 = none, 1 = 8-bit RLE, 2 = 4-bit RLE)
-	uint32 palette_size; ///< number of colors in palette
+	uint32 palette_size; ///< number of colours in palette
 };
 
 struct BmpData {
diff --git a/src/cheat_gui.cpp b/src/cheat_gui.cpp
--- a/src/cheat_gui.cpp
+++ b/src/cheat_gui.cpp
@@ -160,7 +160,7 @@ struct CheatWindow : Window {
 						/* Display date for change date cheat */
 						case STR_CHEAT_CHANGE_DATE: SetDParam(0, _date); break;
 
-						/* Draw colored flag for change company cheat */
+						/* Draw coloured flag for change company cheat */
 						case STR_CHEAT_CHANGE_COMPANY:
 							SetDParam(0, val + 1);
 							GetString(buf, STR_CHEAT_CHANGE_COMPANY, lastof(buf));
diff --git a/src/command.cpp b/src/command.cpp
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -104,7 +104,7 @@ DEF_COMMAND(CmdBuildIndustry);
 
 DEF_COMMAND(CmdBuildCompanyHQ);
 DEF_COMMAND(CmdSetCompanyManagerFace);
-DEF_COMMAND(CmdSetCompanyColor);
+DEF_COMMAND(CmdSetCompanyColour);
 
 DEF_COMMAND(CmdIncreaseLoan);
 DEF_COMMAND(CmdDecreaseLoan);
@@ -252,7 +252,7 @@ static const Command _command_proc_table
 	{CmdBuildIndustry,                              0}, /* CMD_BUILD_INDUSTRY */
 	{CmdBuildCompanyHQ,       CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_COMPANY_HQ */
 	{CmdSetCompanyManagerFace,                      0}, /* CMD_SET_COMPANY_MANAGER_FACE */
-	{CmdSetCompanyColor,                            0}, /* CMD_SET_COMPANY_COLOR */
+	{CmdSetCompanyColour,                           0}, /* CMD_SET_COMPANY_COLOUR */
 
 	{CmdIncreaseLoan,                               0}, /* CMD_INCREASE_LOAN */
 	{CmdDecreaseLoan,                               0}, /* CMD_DECREASE_LOAN */
diff --git a/src/command_type.h b/src/command_type.h
--- a/src/command_type.h
+++ b/src/command_type.h
@@ -202,7 +202,7 @@ enum {
 
 	CMD_BUILD_COMPANY_HQ,             ///< build the company headquarter
 	CMD_SET_COMPANY_MANAGER_FACE,     ///< set the manager's face of the company
-	CMD_SET_COMPANY_COLOR,            ///< set the color of the company
+	CMD_SET_COMPANY_COLOUR,            ///< set the colour of the company
 
 	CMD_INCREASE_LOAN,                ///< increase the loan from the bank
 	CMD_DECREASE_LOAN,                ///< decrease the loan from the bank
diff --git a/src/company_cmd.cpp b/src/company_cmd.cpp
--- a/src/company_cmd.cpp
+++ b/src/company_cmd.cpp
@@ -97,17 +97,17 @@ bool IsHumanCompany(CompanyID company)
 }
 
 
-uint16 GetDrawStringCompanyColor(CompanyID company)
+uint16 GetDrawStringCompanyColour(CompanyID company)
 {
-	/* Get the color for DrawString-subroutines which matches the color
+	/* Get the colour for DrawString-subroutines which matches the colour
 	 * of the company */
-	if (!IsValidCompanyID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOR;
-	return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOR;
+	if (!IsValidCompanyID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOUR;
+	return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOUR;
 }
 
 void DrawCompanyIcon(CompanyID c, int x, int y)
 {
-	DrawSprite(SPR_PLAYER_ICON, COMPANY_SPRITE_COLOR(c), x, y);
+	DrawSprite(SPR_PLAYER_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
 }
 
 /**
@@ -352,7 +352,7 @@ static Colours GenerateCompanyColour()
 		}
 	};
 
-	/* Move the colors that look similar to each company's color to the side */
+	/* Move the colours that look similar to each company's colour to the side */
 	Company *c;
 	FOR_ALL_COMPANIES(c) {
 		Colours pcolour = (Colours)c->colour;
@@ -374,7 +374,7 @@ static Colours GenerateCompanyColour()
 		}
 	}
 
-	/* Return the first available color */
+	/* Return the first available colour */
 	for (uint i = 0; i < COLOUR_END; i++) {
 		if (colours[i] != INVALID_COLOUR) return colours[i];
 	}
diff --git a/src/company_gui.cpp b/src/company_gui.cpp
--- a/src/company_gui.cpp
+++ b/src/company_gui.cpp
@@ -401,7 +401,7 @@ public:
 
 	void Draw(int x, int y, uint width, uint height, bool sel, int bg_colour) const
 	{
-		DrawSprite(SPR_VEH_BUS_SIDE_VIEW, PALETTE_RECOLOR_START + this->result, x + 16, y + 7);
+		DrawSprite(SPR_VEH_BUS_SIDE_VIEW, PALETTE_RECOLOUR_START + this->result, x + 16, y + 7);
 		DrawStringTruncated(x + 32, y + 3, this->String(), sel ? TC_WHITE : TC_BLACK, width - 30);
 	}
 };
@@ -498,11 +498,11 @@ public:
 
 				DrawString(15, y, STR_LIVERY_DEFAULT + scheme, sel ? TC_WHITE : TC_BLACK);
 
-				DrawSprite(SPR_SQUARE, GENERAL_SPRITE_COLOR(c->livery[scheme].colour1), 152, y);
+				DrawSprite(SPR_SQUARE, GENERAL_SPRITE_COLOUR(c->livery[scheme].colour1), 152, y);
 				DrawString(165, y, STR_00D1_DARK_BLUE + c->livery[scheme].colour1, sel ? TC_WHITE : TC_GOLD);
 
 				if (!this->IsWidgetHidden(SCLW_WIDGET_SEC_COL_DROPDOWN)) {
-					DrawSprite(SPR_SQUARE, GENERAL_SPRITE_COLOR(c->livery[scheme].colour2), 277, y);
+					DrawSprite(SPR_SQUARE, GENERAL_SPRITE_COLOUR(c->livery[scheme].colour2), 277, y);
 					DrawString(290, y, STR_00D1_DARK_BLUE + c->livery[scheme].colour2, sel ? TC_WHITE : TC_GOLD);
 				}
 
@@ -570,7 +570,7 @@ public:
 
 				/* If clicking on the left edge, toggle using the livery */
 				if (pt.x < 10) {
-					DoCommandP(0, j | (2 << 8), !GetCompany((CompanyID)this->window_number)->livery[j].in_use, CMD_SET_COMPANY_COLOR);
+					DoCommandP(0, j | (2 << 8), !GetCompany((CompanyID)this->window_number)->livery[j].in_use, CMD_SET_COMPANY_COLOUR);
 				}
 
 				if (_ctrl_pressed) {
@@ -588,7 +588,7 @@ public:
 	{
 		for (LiveryScheme scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
 			if (HasBit(this->sel, scheme)) {
-				DoCommandP(0, scheme | (widget == SCLW_WIDGET_PRI_COL_DROPDOWN ? 0 : 256), index, CMD_SET_COMPANY_COLOR);
+				DoCommandP(0, scheme | (widget == SCLW_WIDGET_PRI_COL_DROPDOWN ? 0 : 256), index, CMD_SET_COMPANY_COLOUR);
 			}
 		}
 	}
@@ -628,7 +628,7 @@ static const Widget _select_company_live
 
 static const WindowDesc _select_company_livery_desc = {
 	WDP_AUTO, WDP_AUTO, 400, 49 + 1 * 14, 400, 49 + 1 * 14,
-	WC_COMPANY_COLOR, WC_NONE,
+	WC_COMPANY_COLOUR, WC_NONE,
 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,
 	_select_company_livery_widgets,
 };
@@ -636,11 +636,11 @@ static const WindowDesc _select_company_
 /**
  * Draws the face of a company manager's face.
  * @param cmf   the company manager's face
- * @param color the (background) color of the gradient
+ * @param colour the (background) colour of the gradient
  * @param x     x-position to draw the face
  * @param y     y-position to draw the face
  */
-void DrawCompanyManagerFace(CompanyManagerFace cmf, int color, int x, int y)
+void DrawCompanyManagerFace(CompanyManagerFace cmf, int colour, int x, int y)
 {
 	GenderEthnicity ge = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
 
@@ -662,7 +662,7 @@ void DrawCompanyManagerFace(CompanyManag
 	}
 
 	/* Draw the gradient (background) */
-	DrawSprite(SPR_GRADIENT, GENERAL_SPRITE_COLOR(color), x, y);
+	DrawSprite(SPR_GRADIENT, GENERAL_SPRITE_COLOUR(colour), x, y);
 
 	for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
 		switch (cmfv) {
@@ -1131,7 +1131,7 @@ enum CompanyWindowWidgets {
 	CW_WIDGET_CAPTION,
 	CW_WIDGET_FACE,
 	CW_WIDGET_NEW_FACE,
-	CW_WIDGET_COLOR_SCHEME,
+	CW_WIDGET_COLOUR_SCHEME,
 	CW_WIDGET_PRESIDENT_NAME,
 	CW_WIDGET_COMPANY_NAME,
 	CW_WIDGET_BUILD_VIEW_HQ,
@@ -1264,7 +1264,7 @@ struct CompanyWindow : Window
 		bool local = this->window_number == _local_company;
 
 		this->SetWidgetHiddenState(CW_WIDGET_NEW_FACE,       !local);
-		this->SetWidgetHiddenState(CW_WIDGET_COLOR_SCHEME,   !local);
+		this->SetWidgetHiddenState(CW_WIDGET_COLOUR_SCHEME,   !local);
 		this->SetWidgetHiddenState(CW_WIDGET_PRESIDENT_NAME, !local);
 		this->SetWidgetHiddenState(CW_WIDGET_COMPANY_NAME,   !local);
 		this->widget[CW_WIDGET_BUILD_VIEW_HQ].data = (local && c->location_of_HQ == INVALID_TILE) ? STR_706F_BUILD_HQ : STR_7072_VIEW_HQ;
@@ -1321,7 +1321,7 @@ struct CompanyWindow : Window
 		/* "Colour scheme:" */
 		DrawString(110, 43, STR_7006_COLOR_SCHEME, TC_FROMSTRING);
 		/* Draw company-colour bus */
-		DrawSprite(SPR_VEH_BUS_SW_VIEW, COMPANY_SPRITE_COLOR(c->index), 215, 44);
+		DrawSprite(SPR_VEH_BUS_SW_VIEW, COMPANY_SPRITE_COLOUR(c->index), 215, 44);
 
 		/* "Vehicles:" */
 		DrawCompanyVehiclesAmount((CompanyID)this->window_number);
@@ -1339,8 +1339,8 @@ struct CompanyWindow : Window
 		switch (widget) {
 			case CW_WIDGET_NEW_FACE: DoSelectCompanyManagerFace(this, false); break;
 
-			case CW_WIDGET_COLOR_SCHEME:
-				if (BringWindowToFrontById(WC_COMPANY_COLOR, this->window_number)) break;
+			case CW_WIDGET_COLOUR_SCHEME:
+				if (BringWindowToFrontById(WC_COMPANY_COLOUR, this->window_number)) break;
 				new SelectCompanyLiveryWindow(&_select_company_livery_desc, (CompanyID)this->window_number);
 				break;
 
diff --git a/src/company_gui.h b/src/company_gui.h
--- a/src/company_gui.h
+++ b/src/company_gui.h
@@ -7,7 +7,7 @@
 
 #include "company_type.h"
 
-uint16 GetDrawStringCompanyColor(CompanyID company);
+uint16 GetDrawStringCompanyColour(CompanyID company);
 void DrawCompanyIcon(CompanyID c, int x, int y);
 
 void ShowCompanyStations(CompanyID company);
diff --git a/src/company_manager_face.h b/src/company_manager_face.h
--- a/src/company_manager_face.h
+++ b/src/company_manager_face.h
@@ -229,7 +229,7 @@ static inline SpriteID GetCompanyManager
 	return _cmf_info[cmfv].first_sprite[ge] + GB(cmf, _cmf_info[cmfv].offset, _cmf_info[cmfv].length);
 }
 
-void DrawCompanyManagerFace(CompanyManagerFace face, int color, int x, int y);
+void DrawCompanyManagerFace(CompanyManagerFace face, int colour, int x, int y);
 bool IsValidCompanyManagerFace(CompanyManagerFace cmf);
 
 #endif /* COMPANY_MANAGER_FACE_H */
diff --git a/src/console.cpp b/src/console.cpp
--- a/src/console.cpp
+++ b/src/console.cpp
@@ -79,16 +79,16 @@ void IConsoleFree()
  * as well as to a logfile. If the network server is a dedicated server, all activities
  * are also logged. All lines to print are added to a temporary buffer which can be
  * used as a history to print them onscreen
- * @param color_code the colour of the command. Red in case of errors, etc.
+ * @param colour_code the colour of the command. Red in case of errors, etc.
  * @param string the message entered or output on the console (notice, error, etc.)
  */
-void IConsolePrint(ConsoleColour color_code, const char *string)
+void IConsolePrint(ConsoleColour colour_code, const char *string)
 {
 	char *str;
 #ifdef ENABLE_NETWORK
 	if (_redirect_console_to_client != INVALID_CLIENT_ID) {
 		/* Redirect the string to the client */
-		NetworkServerSendRcon(_redirect_console_to_client, color_code, string);
+		NetworkServerSendRcon(_redirect_console_to_client, colour_code, string);
 		return;
 	}
 #endif
@@ -108,7 +108,7 @@ void IConsolePrint(ConsoleColour color_c
 	}
 
 	IConsoleWriteToLogFile(str);
-	IConsoleGUIPrint(color_code, str);
+	IConsoleGUIPrint(colour_code, str);
 }
 
 /**
@@ -116,7 +116,7 @@ void IConsolePrint(ConsoleColour color_c
  * by any other means. Uses printf() style format, for more information look
  * at IConsolePrint()
  */
-void CDECL IConsolePrintF(ConsoleColour color_code, const char *s, ...)
+void CDECL IConsolePrintF(ConsoleColour colour_code, const char *s, ...)
 {
 	va_list va;
 	char buf[ICON_MAX_STREAMSIZE];
@@ -125,7 +125,7 @@ void CDECL IConsolePrintF(ConsoleColour 
 	vsnprintf(buf, sizeof(buf), s, va);
 	va_end(va);
 
-	IConsolePrint(color_code, buf);
+	IConsolePrint(colour_code, buf);
 }
 
 /**
diff --git a/src/console_func.h b/src/console_func.h
--- a/src/console_func.h
+++ b/src/console_func.h
@@ -16,8 +16,8 @@ void IConsoleFree();
 void IConsoleClose();
 
 /* console output */
-void IConsolePrint(ConsoleColour color_code, const char *string);
-void CDECL IConsolePrintF(ConsoleColour color_code, const char *s, ...);
+void IConsolePrint(ConsoleColour colour_code, const char *string);
+void CDECL IConsolePrintF(ConsoleColour colour_code, const char *s, ...);
 void IConsoleDebug(const char *dbg, const char *string);
 void IConsoleWarning(const char *string);
 void IConsoleError(const char *string);
diff --git a/src/console_gui.cpp b/src/console_gui.cpp
--- a/src/console_gui.cpp
+++ b/src/console_gui.cpp
@@ -437,11 +437,11 @@ static void IConsoleHistoryNavigate(int 
  * as well as to a logfile. If the network server is a dedicated server, all activities
  * are also logged. All lines to print are added to a temporary buffer which can be
  * used as a history to print them onscreen
- * @param color_code the colour of the command. Red in case of errors, etc.
+ * @param colour_code the colour of the command. Red in case of errors, etc.
  * @param string the message entered or output on the console (notice, error, etc.)
  */
-void IConsoleGUIPrint(ConsoleColour color_code, char *str)
+void IConsoleGUIPrint(ConsoleColour colour_code, char *str)
 {
-	new IConsoleLine(str, (TextColour)color_code);
+	new IConsoleLine(str, (TextColour)colour_code);
 	SetWindowDirty(FindWindowById(WC_CONSOLE, 0));
 }
diff --git a/src/console_internal.h b/src/console_internal.h
--- a/src/console_internal.h
+++ b/src/console_internal.h
@@ -134,6 +134,6 @@ bool GetArgumentInteger(uint32 *value, c
 
 void IConsoleGUIInit();
 void IConsoleGUIFree();
-void IConsoleGUIPrint(ConsoleColour color_code, char *string);
+void IConsoleGUIPrint(ConsoleColour colour_code, char *string);
 
 #endif /* CONSOLE_INTERNAL_H */
diff --git a/src/economy.cpp b/src/economy.cpp
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -359,7 +359,7 @@ void ChangeOwnershipOfCompanyItems(Owner
 					if (v->Previous() == NULL) delete v;
 				} else {
 					v->owner = new_owner;
-					v->colormap = PAL_NONE;
+					v->colourmap = PAL_NONE;
 					if (IsEngineCountable(v)) GetCompany(new_owner)->num_engines[v->engine_type]++;
 					if (v->IsPrimaryVehicle()) v->unitnumber = unitidgen[v->type].NextID();
 				}
@@ -416,7 +416,7 @@ void ChangeOwnershipOfCompanyItems(Owner
 		if (si->owner == old_owner) si->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
 	}
 
-	/* Change color of existing windows */
+	/* Change colour of existing windows */
 	if (new_owner != INVALID_OWNER) ChangeWindowOwner(old_owner, new_owner);
 
 	_current_company = old;
diff --git a/src/engine_gui.cpp b/src/engine_gui.cpp
--- a/src/engine_gui.cpp
+++ b/src/engine_gui.cpp
@@ -198,7 +198,7 @@ void DrawNewsNewVehicleAvail(Window *w, 
 	DrawStringMultiCenter(w->width >> 1, 57, STR_NEW_VEHICLE_TYPE, w->width - 2);
 
 	dei->engine_proc(w->width >> 1, 88, engine, 0);
-	GfxFillRect(25, 56, w->width - 56, 112, PALETTE_TO_STRUCT_GREY, FILLRECT_RECOLOR);
+	GfxFillRect(25, 56, w->width - 56, 112, PALETTE_TO_STRUCT_GREY, FILLRECT_RECOLOUR);
 	dei->info_proc(engine, w->width >> 1, 129, w->width - 52);
 }
 
diff --git a/src/genworld.cpp b/src/genworld.cpp
--- a/src/genworld.cpp
+++ b/src/genworld.cpp
@@ -295,7 +295,7 @@ void GenerateWorld(GenerateWorldMode mod
 	ResetWindowSystem();
 
 	/* Create toolbars */
-	SetupColorsAndInitialWindow();
+	SetupColoursAndInitialWindow();
 
 	if (_gw.thread != NULL) {
 		_gw.thread->Join();
diff --git a/src/gfx.cpp b/src/gfx.cpp
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -97,11 +97,11 @@ void GfxScroll(int left, int top, int wi
  * @param top Minimum Y (inclusive)
  * @param right Maximum X (inclusive)
  * @param bottom Maximum Y (inclusive)
- * @param colour A 8 bit palette index (FILLRECT_OPAQUE and FILLRECT_CHECKER) or a recolour spritenumber (FILLRECT_RECOLOR)
+ * @param colour A 8 bit palette index (FILLRECT_OPAQUE and FILLRECT_CHECKER) or a recolour spritenumber (FILLRECT_RECOLOUR)
  * @param mode
  *         FILLRECT_OPAQUE:   Fill the rectangle with the specified colour
  *         FILLRECT_CHECKER:  Like FILLRECT_OPAQUE, but only draw every second pixel (used to grey out things)
- *         FILLRECT_RECOLOR:  Apply a recolour sprite to every pixel in the rectangle currently on screen
+ *         FILLRECT_RECOLOUR:  Apply a recolour sprite to every pixel in the rectangle currently on screen
  */
 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode)
 {
@@ -135,8 +135,8 @@ void GfxFillRect(int left, int top, int 
 			blitter->DrawRect(dst, right, bottom, (uint8)colour);
 			break;
 
-		case FILLRECT_RECOLOR:
-			blitter->DrawColorMappingRect(dst, right, bottom, GB(colour, 0, PALETTE_WIDTH));
+		case FILLRECT_RECOLOUR:
+			blitter->DrawColourMappingRect(dst, right, bottom, GB(colour, 0, PALETTE_WIDTH));
 			break;
 
 		case FILLRECT_CHECKER: {
@@ -838,8 +838,8 @@ Dimension GetStringBoundingBox(const cha
 void DrawCharCentered(WChar c, int x, int y, TextColour colour)
 {
 	FontSize size = FS_NORMAL;
-	assert(colour & IS_PALETTE_COLOR);
-	colour &= ~IS_PALETTE_COLOR;
+	assert(colour & IS_PALETTE_COLOUR);
+	colour &= ~IS_PALETTE_COLOUR;
 	int w = GetCharacterWidth(size, c);
 
 	_string_colourremap[1] = _string_colourmap[_use_palette][colour].text;
@@ -908,8 +908,8 @@ static int ReallyDoDrawString(const char
 
 		if (colour != TC_INVALID) { // the invalid colour flag test should not  really occur.  But better be safe
 switch_colour:;
-			if (colour & IS_PALETTE_COLOR) {
-				_string_colourremap[1] = colour & ~IS_PALETTE_COLOR;
+			if (colour & IS_PALETTE_COLOUR) {
+				_string_colourremap[1] = colour & ~IS_PALETTE_COLOUR;
 				_string_colourremap[2] = (_use_palette == PAL_DOS) ? 1 : 215;
 			} else {
 				_string_colourremap[1] = _string_colourmap[_use_palette][colour].text;
@@ -1111,8 +1111,8 @@ void DoPaletteAnimations()
 	Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
 	const Colour *s;
 	const ExtraPaletteValues *ev = &_extra_palette_values;
-	/* Amount of colors to be rotated.
-	 * A few more for the DOS palette, because the water colors are
+	/* Amount of colours to be rotated.
+	 * A few more for the DOS palette, because the water colours are
 	 * 245-254 for DOS and 217-226 for Windows.  */
 	const int colour_rotation_amount = (_use_palette == PAL_DOS) ? PALETTE_ANIM_SIZE_DOS : PALETTE_ANIM_SIZE_WIN;
 	Colour old_val[PALETTE_ANIM_SIZE_DOS];
diff --git a/src/gfx_type.h b/src/gfx_type.h
--- a/src/gfx_type.h
+++ b/src/gfx_type.h
@@ -10,7 +10,7 @@
 #include "core/geometry_type.hpp"
 #include "zoom_type.h"
 
-typedef uint32 SpriteID;      ///< The number of a sprite, without mapping bits and colortables
+typedef uint32 SpriteID;      ///< The number of a sprite, without mapping bits and colourtables
 
 /** Combination of a palette sprite and a 'real' sprite */
 struct PalSpriteID {
@@ -185,7 +185,7 @@ enum Colours {
 	INVALID_COLOUR = 0xFF,
 };
 
-/** Colour of the strings, see _string_colormap in table/palettes.h or docs/ottd-colourtext-palette.png */
+/** Colour of the strings, see _string_colourmap in table/palettes.h or docs/ottd-colourtext-palette.png */
 enum TextColour {
 	TC_FROMSTRING  = 0x00,
 	TC_BLUE        = 0x00,
@@ -207,7 +207,7 @@ enum TextColour {
 	TC_BLACK       = 0x10,
 	TC_INVALID     = 0xFF,
 
-	IS_PALETTE_COLOR = 0x100, ///< colour value is already a real palette colour index, not an index of a StringColour
+	IS_PALETTE_COLOUR = 0x100, ///< colour value is already a real palette colour index, not an index of a StringColour
 };
 DECLARE_ENUM_AS_BIT_SET(TextColour);
 
@@ -220,9 +220,9 @@ enum PaletteAnimationSizes {
 
 /** Define the operation GfxFillRect performs */
 enum FillRectMode {
-	FILLRECT_OPAQUE,  ///< Fill rectangle with a single color
+	FILLRECT_OPAQUE,  ///< Fill rectangle with a single colour
 	FILLRECT_CHECKER, ///< Draw only every second pixel, used for greying-out
-	FILLRECT_RECOLOR, ///< Apply a recolor sprite to the screen content
+	FILLRECT_RECOLOUR, ///< Apply a recolour sprite to the screen content
 };
 
 /** Palettes OpenTTD supports. */
diff --git a/src/graph_gui.cpp b/src/graph_gui.cpp
--- a/src/graph_gui.cpp
+++ b/src/graph_gui.cpp
@@ -149,7 +149,7 @@ protected:
 	int gd_left, gd_top;  ///< Where to start drawing the graph, in pixels.
 	uint gd_height;    ///< The height of the graph in pixels.
 	StringID format_str_y_axis;
-	byte colors[GRAPH_MAX_DATASETS];
+	byte colours[GRAPH_MAX_DATASETS];
 	OverflowSafeInt64 cost[GRAPH_MAX_DATASETS][24]; ///< last 2 years
 
 	void DrawGraph() const
@@ -158,7 +158,7 @@ protected:
 		OverflowSafeInt64 highest_value; ///< Highest value to be drawn.
 		int x_axis_offset;               ///< Distance from the top of the graph to the x axis.
 
-		/* the colors and cost array of GraphDrawer must accomodate
+		/* the colours and cost array of GraphDrawer must accomodate
 		* both values for cargo and companies. So if any are higher, quit */
 		assert(GRAPH_MAX_DATASETS >= (int)NUM_CARGO && GRAPH_MAX_DATASETS >= (int)MAX_COMPANIES);
 		assert(this->num_vert_lines > 0);
@@ -294,7 +294,7 @@ protected:
 				/* Centre the dot between the grid lines. */
 				x = this->gd_left + GRAPH_X_POSITION_BEGINNING + (GRAPH_X_POSITION_SEPARATION / 2);
 
-				byte color  = this->colors[i];
+				byte colour  = this->colours[i];
 				uint prev_x = INVALID_DATAPOINT_POS;
 				uint prev_y = INVALID_DATAPOINT_POS;
 
@@ -326,10 +326,10 @@ protected:
 						y = this->gd_top + x_axis_offset - (x_axis_offset * datapoint) / (highest_value >> reduce_range);
 
 						/* Draw the point. */
-						GfxFillRect(x - 1, y - 1, x + 1, y + 1, color);
+						GfxFillRect(x - 1, y - 1, x + 1, y + 1, colour);
 
 						/* Draw the line connected to the previous point. */
-						if (prev_x != INVALID_DATAPOINT_POS) GfxDrawLine(prev_x, prev_y, x, y, color);
+						if (prev_x != INVALID_DATAPOINT_POS) GfxDrawLine(prev_x, prev_y, x, y, colour);
 
 						prev_x = x;
 						prev_y = y;
@@ -388,7 +388,7 @@ public:
 		for (CompanyID k = COMPANY_FIRST; k < MAX_COMPANIES; k++) {
 			if (IsValidCompanyID(k)) {
 				c = GetCompany(k);
-				this->colors[numd] = _colour_gradient[c->colour][6];
+				this->colours[numd] = _colour_gradient[c->colour][6];
 				for (int j = this->num_on_x_axis, i = 0; --j >= 0;) {
 					this->cost[numd][i] = (j >= c->num_valid_stat_ent) ? INVALID_DATAPOINT : GetGraphData(c, j);
 					i++;
@@ -676,7 +676,7 @@ struct PaymentRatesGraphWindow : BaseGra
 			 * changed the NewGRF configuration with this window open. */
 			if (i + 3 < this->widget_count) {
 				/* Since the buttons have no text, no images,
-				 * both the text and the colored box have to be manually painted.
+				 * both the text and the coloured box have to be manually painted.
 				 * clk_dif will move one pixel down and one pixel to the right
 				 * when the button is clicked */
 				byte clk_dif = this->IsWidgetLowered(i + 3) ? 1 : 0;
@@ -688,7 +688,7 @@ struct PaymentRatesGraphWindow : BaseGra
 				y += 8;
 			}
 
-			this->colors[i] = cs->legend_colour;
+			this->colours[i] = cs->legend_colour;
 			for (uint j = 0; j != 20; j++) {
 				this->cost[i][j] = GetTransportedGoodsIncome(10, 20, j * 4 + 4, c);
 			}
@@ -902,7 +902,7 @@ public:
 		byte x;
 		uint16 y = 27;
 		int total_score = 0;
-		int color_done, color_notdone;
+		int colour_done, colour_notdone;
 
 		/* Draw standard stuff */
 		this->DrawWidgets();
@@ -959,9 +959,9 @@ public:
 			DrawCompanyIcon(i, (i % 8) * 37 + 13 + x, (i < 8 ? 0 : 13) + 16 + x);
 		}
 
-		/* The colors used to show how the progress is going */
-		color_done = _colour_gradient[COLOUR_GREEN][4];
-		color_notdone = _colour_gradient[COLOUR_RED][4];
+		/* The colours used to show how the progress is going */
+		colour_done = _colour_gradient[COLOUR_GREEN][4];
+		colour_notdone = _colour_gradient[COLOUR_RED][4];
 
 		/* Draw all the score parts */
 		for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) {
@@ -991,8 +991,8 @@ public:
 			if (val < 0 && i == SCORE_LOAN) x = 0;
 
 			/* Draw the bar */
-			if (x !=  0) GfxFillRect(112,     y - 2, 112 + x,  y + 10, color_done);
-			if (x != 50) GfxFillRect(112 + x, y - 2, 112 + 50, y + 10, color_notdone);
+			if (x !=  0) GfxFillRect(112,     y - 2, 112 + x,  y + 10, colour_done);
+			if (x != 50) GfxFillRect(112 + x, y - 2, 112 + 50, y + 10, colour_notdone);
 
 			/* Calculate the % */
 			x = Clamp(val, 0, needed) * 100 / needed;
diff --git a/src/gui.h b/src/gui.h
--- a/src/gui.h
+++ b/src/gui.h
@@ -67,7 +67,7 @@ void BuildFileList();
 void SetFiosType(const byte fiostype);
 
 /* FIOS_TYPE_FILE, FIOS_TYPE_OLDFILE etc. different colours */
-extern const TextColour _fios_colors[];
+extern const TextColour _fios_colours[];
 
 /* bridge_gui.cpp */
 void ShowBuildBridgeWindow(TileIndex start, TileIndex end, TransportType transport_type, byte bridge_type);
diff --git a/src/heightmap.cpp b/src/heightmap.cpp
--- a/src/heightmap.cpp
+++ b/src/heightmap.cpp
@@ -16,9 +16,9 @@
 #include "table/strings.h"
 
 /**
- * Convert RGB colors to Grayscale using 29.9% Red, 58.7% Green, 11.4% Blue
+ * Convert RGB colours to Grayscale using 29.9% Red, 58.7% Green, 11.4% Blue
  *  (average luminosity formula) -- Dalestan
- * This in fact is the NTSC Color Space -- TrueLight
+ * This in fact is the NTSC Colour Space -- TrueLight
  */
 static inline byte RGBToGrayscale(byte red, byte green, byte blue)
 {
@@ -126,7 +126,7 @@ static bool ReadHeightmapPNG(char *filen
 	png_set_packing(png_ptr);
 	png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_PACKING | PNG_TRANSFORM_STRIP_ALPHA | PNG_TRANSFORM_STRIP_16, NULL);
 
-	/* Maps of wrong color-depth are not used.
+	/* Maps of wrong colour-depth are not used.
 	 * (this should have been taken care of by stripping alpha and 16-bit samples on load) */
 	if ((info_ptr->channels != 1) && (info_ptr->channels != 3) && (info_ptr->bit_depth != 8)) {
 		ShowErrorMessage(STR_PNGMAP_ERR_IMAGE_TYPE, STR_PNGMAP_ERROR, 0, 0);
@@ -351,7 +351,7 @@ static void GrayscaleToMapHeights(uint i
 				assert(img_row < img_height);
 				assert(img_col < img_width);
 
-				/* Color scales from 0 to 255, OpenTTD height scales from 0 to 15 */
+				/* Colour scales from 0 to 255, OpenTTD height scales from 0 to 15 */
 				SetTileHeight(tile, map[img_row * img_width + img_col] / 16);
 			}
 			/* Only clear the tiles within the map area. */
diff --git a/src/industry.h b/src/industry.h
--- a/src/industry.h
+++ b/src/industry.h
@@ -117,7 +117,7 @@ struct Industry : PoolItem<Industry, Ind
 
 	IndustryType type;                  ///< type of industry.
 	OwnerByte owner;                    ///< owner of the industry.  Which SHOULD always be (imho) OWNER_NONE
-	byte random_color;                  ///< randomized colour of the industry, for display purpose
+	byte random_colour;                 ///< randomized colour of the industry, for display purpose
 	Year last_prod_year;                ///< last year of production
 	byte was_cargo_delivered;           ///< flag that indicate this has been the closest industry chosen for cargo delivery by a station. see DeliverGoodsToIndustry
 
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -288,8 +288,8 @@ static void DrawTile_Industry(TileInfo *
 			GetIndustryConstructionStage(ti->tile))];
 
 	image = dits->ground.sprite;
-	if (HasBit(image, PALETTE_MODIFIER_COLOR) && dits->ground.pal == PAL_NONE) {
-		pal = GENERAL_SPRITE_COLOR(ind->random_color);
+	if (HasBit(image, PALETTE_MODIFIER_COLOUR) && dits->ground.pal == PAL_NONE) {
+		pal = GENERAL_SPRITE_COLOUR(ind->random_colour);
 	} else {
 		pal = dits->ground.pal;
 	}
@@ -312,7 +312,7 @@ static void DrawTile_Industry(TileInfo *
 	image = dits->building.sprite;
 	if (image != 0) {
 		AddSortableSpriteToDraw(image,
-			(HasBit(image, PALETTE_MODIFIER_COLOR) && dits->building.pal == PAL_NONE) ? GENERAL_SPRITE_COLOR(ind->random_color) : dits->building.pal,
+			(HasBit(image, PALETTE_MODIFIER_COLOUR) && dits->building.pal == PAL_NONE) ? GENERAL_SPRITE_COLOUR(ind->random_colour) : dits->building.pal,
 			ti->x + dits->subtile_x,
 			ti->y + dits->subtile_y,
 			dits->width,
@@ -1488,7 +1488,7 @@ static void DoCreateNewIndustry(Industry
 	i->owner = owner;
 
 	r = Random();
-	i->random_color = GB(r, 0, 4);
+	i->random_colour = GB(r, 0, 4);
 	i->counter = GB(r, 4, 12);
 	i->random = GB(r, 16, 16);
 	i->produced_cargo_waiting[0] = 0;
@@ -1512,7 +1512,7 @@ static void DoCreateNewIndustry(Industry
 
 	if (HasBit(indspec->callback_flags, CBM_IND_DECIDE_COLOUR)) {
 		uint16 res = GetIndustryCallback(CBID_INDUSTRY_DECIDE_COLOUR, 0, 0, i, type, INVALID_TILE);
-		if (res != CALLBACK_FAILED) i->random_color = GB(res, 0, 4);
+		if (res != CALLBACK_FAILED) i->random_colour = GB(res, 0, 4);
 	}
 
 	if (HasBit(indspec->callback_flags, CBM_IND_INPUT_CARGO_TYPES)) {
diff --git a/src/main_gui.cpp b/src/main_gui.cpp
--- a/src/main_gui.cpp
+++ b/src/main_gui.cpp
@@ -366,10 +366,10 @@ struct MainWindow : Window
 
 void ShowSelectGameWindow();
 
-void SetupColorsAndInitialWindow()
+void SetupColoursAndInitialWindow()
 {
 	for (uint i = 0; i != 16; i++) {
-		const byte *b = GetNonSprite(PALETTE_RECOLOR_START + i, ST_RECOLOUR);
+		const byte *b = GetNonSprite(PALETTE_RECOLOUR_START + i, ST_RECOLOUR);
 
 		assert(b);
 		memcpy(_colour_gradient[i], b + 0xC6, sizeof(_colour_gradient[i]));
diff --git a/src/misc_cmd.cpp b/src/misc_cmd.cpp
--- a/src/misc_cmd.cpp
+++ b/src/misc_cmd.cpp
@@ -49,7 +49,7 @@ CommandCost CmdSetCompanyManagerFace(Til
  * p1 bits 8-9 set in use state or first/second colour
  * @param p2 new colour for vehicles, property, etc.
  */
-CommandCost CmdSetCompanyColor(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdSetCompanyColour(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text)
 {
 	if (p2 >= 16) return CMD_ERROR; // max 16 colours
 
@@ -116,7 +116,7 @@ CommandCost CmdSetCompanyColor(TileIndex
 			default:
 				break;
 		}
-		ResetVehicleColorMap();
+		ResetVehicleColourMap();
 		MarkWholeScreenDirty();
 	}
 	return CommandCost();
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -1367,8 +1367,8 @@ static const Widget _save_dialog_widgets
 {   WIDGETS_END},
 };
 
-/* Colors for fios types */
-const TextColour _fios_colors[] = {
+/* Colours for fios types */
+const TextColour _fios_colours[] = {
 	TC_LIGHT_BLUE, TC_DARK_GREEN,  TC_DARK_GREEN, TC_ORANGE, TC_LIGHT_BROWN,
 	TC_ORANGE,     TC_LIGHT_BROWN, TC_ORANGE,     TC_ORANGE, TC_YELLOW
 };
@@ -1554,7 +1554,7 @@ public:
 		for (uint pos = this->vscroll.pos; pos < _fios_items.Length(); pos++) {
 			const FiosItem *item = _fios_items.Get(pos);
 
-			DoDrawStringTruncated(item->title, 4, y, _fios_colors[item->type], this->width - 18);
+			DoDrawStringTruncated(item->title, 4, y, _fios_colours[item->type], this->width - 18);
 			y += 10;
 			if (y >= this->vscroll.cap * 10 + widg->top + 1) break;
 		}
diff --git a/src/music_gui.cpp b/src/music_gui.cpp
--- a/src/music_gui.cpp
+++ b/src/music_gui.cpp
@@ -398,14 +398,14 @@ public:
 		GfxFillRect(187, 16, 200, 33, 0);
 
 		for (i = 0; i != 8; i++) {
-			int color = 0xD0;
+			int colour = 0xD0;
 			if (i > 4) {
-				color = 0xBF;
+				colour = 0xBF;
 				if (i > 6) {
-					color = 0xB8;
+					colour = 0xB8;
 				}
 			}
-			GfxFillRect(187, NUM_SONGS_PLAYLIST - i * 2, 200, NUM_SONGS_PLAYLIST - i * 2, color);
+			GfxFillRect(187, NUM_SONGS_PLAYLIST - i * 2, 200, NUM_SONGS_PLAYLIST - i * 2, colour);
 		}
 
 		GfxFillRect(60, 46, 239, 52, 0);
diff --git a/src/network/network_chat_gui.cpp b/src/network/network_chat_gui.cpp
--- a/src/network/network_chat_gui.cpp
+++ b/src/network/network_chat_gui.cpp
@@ -60,7 +60,7 @@ static inline uint GetChatMessageCount()
 
 /**
  * Add a text message to the 'chat window' to be shown
- * @param color The colour this message is to be shown in
+ * @param colour The colour this message is to be shown in
  * @param duration The duration of the chat message in game-days
  * @param message message itself in printf() style
  */
@@ -96,7 +96,7 @@ void CDECL NetworkAddChatMessage(TextCol
 
 		/* The default colour for a message is company colour. Replace this with
 		 * white for any additional lines */
-		cmsg->colour = (bufp == buf && colour & IS_PALETTE_COLOR) ? colour : (TextColour)(0x1D - 15) | IS_PALETTE_COLOR;
+		cmsg->colour = (bufp == buf && colour & IS_PALETTE_COLOUR) ? colour : (TextColour)(0x1D - 15) | IS_PALETTE_COLOUR;
 		cmsg->end_date = _date + duration;
 
 		bufp += strlen(bufp) + 1; // jump to 'next line' in the formatted string
@@ -232,7 +232,7 @@ void NetworkDrawChatMessage()
 			_screen.height - _chatmsg_box.y - count * NETWORK_CHAT_LINE_HEIGHT - 2,
 			_chatmsg_box.x + _chatmsg_box.width - 1,
 			_screen.height - _chatmsg_box.y - 2,
-			PALETTE_TO_TRANSPARENT, FILLRECT_RECOLOR // black, but with some alpha for background
+			PALETTE_TO_TRANSPARENT, FILLRECT_RECOLOUR // black, but with some alpha for background
 		);
 
 	/* Paint the chat messages starting with the lowest at the bottom */
diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp
--- a/src/network/network_client.cpp
+++ b/src/network/network_client.cpp
@@ -741,7 +741,7 @@ DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER
 	}
 
 	if (ci != NULL)
-		NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColor(ci->client_playas), self_send, name, msg, data);
+		NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
 	return NETWORK_RECV_STATUS_OKAY;
 }
 
@@ -816,10 +816,10 @@ DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER
 {
 	char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
 
-	ConsoleColour color_code = (ConsoleColour)p->Recv_uint16();
+	ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
 	p->Recv_string(rcon_out, sizeof(rcon_out));
 
-	IConsolePrint(color_code, rcon_out);
+	IConsolePrint(colour_code, rcon_out);
 
 	return NETWORK_RECV_STATUS_OKAY;
 }
diff --git a/src/network/network_gui.cpp b/src/network/network_gui.cpp
--- a/src/network/network_gui.cpp
+++ b/src/network/network_gui.cpp
@@ -917,7 +917,7 @@ struct NetworkStartServerWindow : public
 			if (pos == 0) {
 				DrawString(14, y, STR_4010_GENERATE_RANDOM_NEW_GAME, TC_DARK_GREEN);
 			} else {
-				DoDrawString(item->title, 14, y, _fios_colors[item->type] );
+				DoDrawString(item->title, 14, y, _fios_colours[item->type] );
 			}
 			y += NSSWND_ROWSIZE;
 
diff --git a/src/network/network_internal.h b/src/network/network_internal.h
--- a/src/network/network_internal.h
+++ b/src/network/network_internal.h
@@ -148,7 +148,7 @@ void NetworkFreeLocalCommandQueue();
 
 // from network.c
 void NetworkCloseClient(NetworkClientSocket *cs);
-void NetworkTextMessage(NetworkAction action, ConsoleColour color, bool self_send, const char *name, const char *str = "", int64 data = 0);
+void NetworkTextMessage(NetworkAction action, ConsoleColour colour, bool self_send, const char *name, const char *str = "", int64 data = 0);
 void NetworkGetClientName(char *clientname, size_t size, const NetworkClientSocket *cs);
 uint NetworkCalculateLag(const NetworkClientSocket *cs);
 byte NetworkGetCurrentLanguageIndex();
diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp
--- a/src/network/network_server.cpp
+++ b/src/network/network_server.cpp
@@ -572,11 +572,11 @@ DEF_SERVER_SEND_COMMAND(PACKET_SERVER_NE
 	cs->Send_Packet(p);
 }
 
-DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_RCON)(NetworkClientSocket *cs, uint16 color, const char *command)
+DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_RCON)(NetworkClientSocket *cs, uint16 colour, const char *command)
 {
 	Packet *p = NetworkSend_Init(PACKET_SERVER_RCON);
 
-	p->Send_uint16(color);
+	p->Send_uint16(colour);
 	p->Send_string(command);
 	cs->Send_Packet(p);
 }
@@ -1044,7 +1044,7 @@ void NetworkServerSendChat(NetworkAction
 			ci = NetworkFindClientInfoFromClientID(from_id);
 			/* Display the text locally, and that is it */
 			if (ci != NULL)
-				NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColor(ci->client_playas), false, ci->client_name, msg, data);
+				NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
 		} else {
 			/* Else find the client to send the message to */
 			FOR_ALL_CLIENT_SOCKETS(cs) {
@@ -1061,7 +1061,7 @@ void NetworkServerSendChat(NetworkAction
 				ci = NetworkFindClientInfoFromClientID(from_id);
 				ci_to = NetworkFindClientInfoFromClientID((ClientID)dest);
 				if (ci != NULL && ci_to != NULL)
-					NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColor(ci->client_playas), true, ci_to->client_name, msg, data);
+					NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), true, ci_to->client_name, msg, data);
 			} else {
 				FOR_ALL_CLIENT_SOCKETS(cs) {
 					if (cs->client_id == from_id) {
@@ -1089,7 +1089,7 @@ void NetworkServerSendChat(NetworkAction
 		ci = NetworkFindClientInfoFromClientID(from_id);
 		ci_own = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
 		if (ci != NULL && ci_own != NULL && ci_own->client_playas == dest) {
-			NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColor(ci->client_playas), false, ci->client_name, msg, data);
+			NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
 			if (from_id == CLIENT_ID_SERVER) show_local = false;
 			ci_to = ci_own;
 		}
@@ -1104,7 +1104,7 @@ void NetworkServerSendChat(NetworkAction
 				StringID str = IsValidCompanyID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
 				SetDParam(0, ci_to->client_playas);
 				GetString(name, str, lastof(name));
-				NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColor(ci_own->client_playas), true, name, msg, data);
+				NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci_own->client_playas), true, name, msg, data);
 			} else {
 				FOR_ALL_CLIENT_SOCKETS(cs) {
 					if (cs->client_id == from_id) {
@@ -1124,7 +1124,7 @@ void NetworkServerSendChat(NetworkAction
 		}
 		ci = NetworkFindClientInfoFromClientID(from_id);
 		if (ci != NULL)
-			NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColor(ci->client_playas), false, ci->client_name, msg, data);
+			NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
 		break;
 	}
 }
diff --git a/src/network/network_server.h b/src/network/network_server.h
--- a/src/network/network_server.h
+++ b/src/network/network_server.h
@@ -12,7 +12,7 @@ DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SER
 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_ERROR)(NetworkClientSocket *cs, NetworkErrorCode error);
 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SHUTDOWN);
 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_NEWGAME);
-DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_RCON)(NetworkClientSocket *cs, uint16 color, const char *command);
+DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_RCON)(NetworkClientSocket *cs, uint16 colour, const char *command);
 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_MOVE)(NetworkClientSocket *cs, uint16 client_id, CompanyID company_id);
 
 bool NetworkServer_ReadPackets(NetworkClientSocket *cs);
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -414,7 +414,7 @@ static void MapSpriteMappingRecolour(Pal
 
 	if (HasBit(grf_sprite->sprite, 15)) {
 		ClrBit(grf_sprite->sprite, 15);
-		SetBit(grf_sprite->sprite, PALETTE_MODIFIER_COLOR);
+		SetBit(grf_sprite->sprite, PALETTE_MODIFIER_COLOUR);
 	}
 }
 
@@ -2353,7 +2353,7 @@ static ChangeInfoResult IndustriesChange
 				indsp->appear_ingame[_settings_game.game_creation.landscape] = grf_load_byte(&buf);
 				break;
 
-			case 0x19: // Map color
+			case 0x19: // Map colour
 				indsp->map_colour = MapDOSColour(grf_load_byte(&buf));
 				break;
 
@@ -4413,7 +4413,7 @@ static uint32 GetPatchVariable(uint8 par
 			}
 
 
-		/* 2CC colormap base sprite */
+		/* 2CC colourmap base sprite */
 		case 0x11: return SPR_2CCMAP_BASE;
 
 		/* map size: format = -MABXYSS
diff --git a/src/newgrf_callbacks.h b/src/newgrf_callbacks.h
--- a/src/newgrf_callbacks.h
+++ b/src/newgrf_callbacks.h
@@ -199,7 +199,7 @@ enum CallbackID {
 	/** Callback done for each tile of a station to check the slope. */
 	CBID_STATION_LAND_SLOPE_CHECK        = 0x149, // 15 bit callback, not implemented
 
-	/** Called to determine the color of an industry. */
+	/** Called to determine the colour of an industry. */
 	CBID_INDUSTRY_DECIDE_COLOUR          = 0x14A, // 4 bit callback
 
 	/** Customize the input cargo types of a newly build industry. */
diff --git a/src/newgrf_commons.h b/src/newgrf_commons.h
--- a/src/newgrf_commons.h
+++ b/src/newgrf_commons.h
@@ -101,19 +101,19 @@ TileIndex GetNearbyTile(byte parameter, 
 uint32 GetNearbyTileInformation(TileIndex tile);
 
 /**
- * Applies PALETTE_MODIFIER_TRANSPARENT and PALETTE_MODIFIER_COLOR to a palette entry of a sprite layout entry
+ * Applies PALETTE_MODIFIER_TRANSPARENT and PALETTE_MODIFIER_COLOUR to a palette entry of a sprite layout entry
  * @Note for ground sprites use #GroundSpritePaletteTransform
  * @Note Not useable for OTTD internal spritelayouts from table/xxx_land.h as PALETTE_MODIFIER_TRANSPARENT is only set
  *       when to use the default palette.
  *
  * @param image The sprite to draw
  * @param pal The palette from the sprite layout
- * @param default_pal The default recolour sprite to use (typically company color resp. random industry/house color)
+ * @param default_pal The default recolour sprite to use (typically company colour resp. random industry/house colour)
  * @return The palette to use
  */
 static inline SpriteID SpriteLayoutPaletteTransform(SpriteID image, SpriteID pal, SpriteID default_pal)
 {
-	if (HasBit(image, PALETTE_MODIFIER_TRANSPARENT) || HasBit(image, PALETTE_MODIFIER_COLOR)) {
+	if (HasBit(image, PALETTE_MODIFIER_TRANSPARENT) || HasBit(image, PALETTE_MODIFIER_COLOUR)) {
 		return (pal != 0 ? pal : default_pal);
 	} else {
 		return PAL_NONE;
@@ -121,18 +121,18 @@ static inline SpriteID SpriteLayoutPalet
 }
 
 /**
- * Applies PALETTE_MODIFIER_COLOR to a palette entry of a ground sprite
+ * Applies PALETTE_MODIFIER_COLOUR to a palette entry of a ground sprite
  * @Note Not useable for OTTD internal spritelayouts from table/xxx_land.h as PALETTE_MODIFIER_TRANSPARENT is only set
  *       when to use the default palette.
  *
  * @param image The sprite to draw
  * @param pal The palette from the sprite layout
- * @param default_pal The default recolour sprite to use (typically company color resp. random industry/house color)
+ * @param default_pal The default recolour sprite to use (typically company colour resp. random industry/house colour)
  * @return The palette to use
  */
 static inline SpriteID GroundSpritePaletteTransform(SpriteID image, SpriteID pal, SpriteID default_pal)
 {
-	if (HasBit(image, PALETTE_MODIFIER_COLOR)) {
+	if (HasBit(image, PALETTE_MODIFIER_COLOUR)) {
 		return (pal != 0 ? pal : default_pal);
 	} else {
 		return PAL_NONE;
diff --git a/src/newgrf_house.cpp b/src/newgrf_house.cpp
--- a/src/newgrf_house.cpp
+++ b/src/newgrf_house.cpp
@@ -373,7 +373,7 @@ static void DrawTileLayout(const TileInf
 	const DrawTileSeqStruct *dtss;
 
 	const HouseSpec *hs = GetHouseSpecs(house_id);
-	SpriteID palette = hs->random_colour[TileHash2Bit(ti->x, ti->y)] + PALETTE_RECOLOR_START;
+	SpriteID palette = hs->random_colour[TileHash2Bit(ti->x, ti->y)] + PALETTE_RECOLOUR_START;
 	if (HasBit(hs->callback_mask, CBM_HOUSE_COLOUR)) {
 		uint16 callback = GetHouseCallback(CBID_HOUSE_COLOUR, 0, 0, house_id, GetTownByTile(ti->tile), ti->tile);
 		if (callback != CALLBACK_FAILED) {
diff --git a/src/newgrf_industries.cpp b/src/newgrf_industries.cpp
--- a/src/newgrf_industries.cpp
+++ b/src/newgrf_industries.cpp
@@ -366,7 +366,7 @@ uint32 IndustryGetVariable(const Resolve
 
 		case 0xA6: return industry->type;
 		case 0xA7: return industry->founder;
-		case 0xA8: return industry->random_color;
+		case 0xA8: return industry->random_colour;
 		case 0xA9: return Clamp(industry->last_prod_year - ORIGINAL_BASE_YEAR, 0, 255);
 		case 0xAA: return industry->counter;
 		case 0xAB: return GB(industry->counter, 8, 8);
diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp
--- a/src/newgrf_industrytiles.cpp
+++ b/src/newgrf_industrytiles.cpp
@@ -163,7 +163,7 @@ static void NewIndustryTileResolver(Reso
 	res->grffile         = (its != NULL ? its->grf_prop.grffile : NULL);
 }
 
-static void IndustryDrawTileLayout(const TileInfo *ti, const SpriteGroup *group, byte rnd_color, byte stage, IndustryGfx gfx)
+static void IndustryDrawTileLayout(const TileInfo *ti, const SpriteGroup *group, byte rnd_colour, byte stage, IndustryGfx gfx)
 {
 	const DrawTileSprites *dts = group->g.layout.dts;
 	const DrawTileSeqStruct *dtss;
@@ -179,7 +179,7 @@ static void IndustryDrawTileLayout(const
 		if (image == SPR_FLAT_WATER_TILE && IsIndustryTileOnWater(ti->tile)) {
 			DrawWaterClassGround(ti);
 		} else {
-			DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOR(rnd_color)));
+			DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(rnd_colour)));
 		}
 	}
 
@@ -194,7 +194,7 @@ static void IndustryDrawTileLayout(const
 
 		if (IS_CUSTOM_SPRITE(image)) image += stage;
 
-		pal = SpriteLayoutPaletteTransform(image, pal, GENERAL_SPRITE_COLOR(rnd_color));
+		pal = SpriteLayoutPaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(rnd_colour));
 
 		if ((byte)dtss->delta_z != 0x80) {
 			AddSortableSpriteToDraw(
@@ -252,7 +252,7 @@ bool DrawNewIndustryTile(TileInfo *ti, I
 		/* Limit the building stage to the number of stages supplied. */
 		byte stage = GetIndustryConstructionStage(ti->tile);
 		stage = Clamp(stage - 4 + group->g.layout.num_sprites, 0, group->g.layout.num_sprites - 1);
-		IndustryDrawTileLayout(ti, group, i->random_color, stage, gfx);
+		IndustryDrawTileLayout(ti, group, i->random_colour, stage, gfx);
 		return true;
 	}
 }
diff --git a/src/newgrf_station.cpp b/src/newgrf_station.cpp
--- a/src/newgrf_station.cpp
+++ b/src/newgrf_station.cpp
@@ -780,7 +780,7 @@ bool DrawStationTile(int x, int y, RailT
 	const RailtypeInfo *rti = GetRailTypeInfo(railtype);
 	SpriteID relocation;
 	SpriteID image;
-	SpriteID palette = COMPANY_SPRITE_COLOR(_local_company);
+	SpriteID palette = COMPANY_SPRITE_COLOUR(_local_company);
 	uint tile = 2;
 
 	statspec = GetCustomStationSpec(sclass, station);
diff --git a/src/news_gui.cpp b/src/news_gui.cpp
--- a/src/news_gui.cpp
+++ b/src/news_gui.cpp
@@ -50,7 +50,7 @@ static void DrawNewsBankrupcy(Window *w,
 	const CompanyNewsInformation *cni = (const CompanyNewsInformation*)ni->free_data;
 
 	DrawCompanyManagerFace(cni->face, cni->colour, 2, 23);
-	GfxFillRect(3, 23, 3 + 91, 23 + 118, PALETTE_TO_STRUCT_GREY, FILLRECT_RECOLOR);
+	GfxFillRect(3, 23, 3 + 91, 23 + 118, PALETTE_TO_STRUCT_GREY, FILLRECT_RECOLOUR);
 
 	SetDParamStr(0, cni->president_name);
 	DrawStringMultiCenter(49, 148, STR_JUST_RAW_STRING, 94);
@@ -229,11 +229,11 @@ struct NewsWindow : Window {
 					this->DrawViewport();
 					_transparency_opt = to_backup;
 
-					/* Shade the viewport into gray, or color*/
+					/* Shade the viewport into gray, or colour*/
 					ViewPort *vp = this->viewport;
 					GfxFillRect(vp->left - this->left, vp->top - this->top,
 						vp->left - this->left + vp->width - 1, vp->top - this->top + vp->height - 1,
-						(this->ni->flags & NF_INCOLOR ? PALETTE_TO_TRANSPARENT : PALETTE_TO_STRUCT_GREY), FILLRECT_RECOLOR
+						(this->ni->flags & NF_INCOLOUR ? PALETTE_TO_TRANSPARENT : PALETTE_TO_STRUCT_GREY), FILLRECT_RECOLOUR
 					);
 
 					CopyInDParam(0, this->ni->params, lengthof(this->ni->params));
@@ -497,8 +497,8 @@ void AddNewsItem(StringID string, NewsSu
 	ni->subtype = subtype;
 	ni->flags = _news_subtype_data[subtype].flags;
 
-	/* show this news message in color? */
-	if (_cur_year >= _settings_client.gui.colored_news_year) ni->flags |= NF_INCOLOR;
+	/* show this news message in colour? */
+	if (_cur_year >= _settings_client.gui.coloured_news_year) ni->flags |= NF_INCOLOUR;
 
 	ni->data_a = data_a;
 	ni->data_b = data_b;
diff --git a/src/news_type.h b/src/news_type.h
--- a/src/news_type.h
+++ b/src/news_type.h
@@ -68,14 +68,14 @@ enum NewsMode {
 
 /**
  * Various OR-able news-item flags.
- * note: NF_INCOLOR is set automatically if needed
+ * note: NF_INCOLOUR is set automatically if needed
  */
 enum NewsFlag {
 	NF_NONE      = 0,        ///< No flag is set.
 	NF_VIEWPORT  = (1 << 1), ///< Does the news message have a viewport? (ingame picture of happening)
 	NF_TILE      = (1 << 2), ///< When clicked on the news message scroll to a given tile? Tile is in data_a
 	NF_VEHICLE   = (1 << 3), ///< When clicked on the message scroll to the vehicle? VehicleID is in data_a
-	NF_INCOLOR   = (1 << 5), ///< Show the newsmessage in colour, otherwise it defaults to black & white
+	NF_INCOLOUR  = (1 << 5), ///< Show the newsmessage in colour, otherwise it defaults to black & white
 	NF_TILE2     = (1 << 6), ///< There is a second tile to scroll to; tile is in data_b
 };
 DECLARE_ENUM_AS_BIT_SET(NewsFlag);
diff --git a/src/openttd.cpp b/src/openttd.cpp
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -338,7 +338,7 @@ static void LoadIntroGame()
 
 	/* Setup main window */
 	ResetWindowSystem();
-	SetupColorsAndInitialWindow();
+	SetupColoursAndInitialWindow();
 
 	/* Load the default opening screen savegame */
 	if (SaveOrLoad("opntitle.dat", SL_LOAD, DATA_DIR) != SL_OK) {
@@ -811,7 +811,7 @@ static void StartScenario()
 	/* Reinitialize windows */
 	ResetWindowSystem();
 
-	SetupColorsAndInitialWindow();
+	SetupColoursAndInitialWindow();
 
 	ResetGRFConfig(true);
 
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -1883,7 +1883,7 @@ static void DrawTile_Track(TileInfo *ti)
 	const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
 	SpriteID image;
 
-	_drawtile_track_palette = COMPANY_SPRITE_COLOR(GetTileOwner(ti->tile));
+	_drawtile_track_palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
 
 	if (IsPlainRailTile(ti->tile)) {
 		TrackBits rails = GetTrackBits(ti->tile);
@@ -2020,14 +2020,14 @@ default_waypoint:
 
 static void DrawTileSequence(int x, int y, SpriteID ground, const DrawTileSeqStruct *dtss, uint32 offset)
 {
-	SpriteID palette = COMPANY_SPRITE_COLOR(_local_company);
+	SpriteID palette = COMPANY_SPRITE_COLOUR(_local_company);
 
 	DrawSprite(ground, PAL_NONE, x, y);
 	for (; dtss->image.sprite != 0; dtss++) {
 		Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z);
 		SpriteID image = dtss->image.sprite + offset;
 
-		DrawSprite(image, HasBit(image, PALETTE_MODIFIER_COLOR) ? palette : PAL_NONE, x + pt.x, y + pt.y);
+		DrawSprite(image, HasBit(image, PALETTE_MODIFIER_COLOUR) ? palette : PAL_NONE, x + pt.x, y + pt.y);
 	}
 }
 
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -1178,7 +1178,7 @@ static void DrawTile_Road(TileInfo *ti)
 		case ROAD_TILE_DEPOT: {
 			if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
 
-			SpriteID palette = COMPANY_SPRITE_COLOR(GetTileOwner(ti->tile));
+			SpriteID palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
 
 			const DrawTileSprites *dts;
 			if (HasTileRoadType(ti->tile, ROADTYPE_TRAM)) {
@@ -1196,7 +1196,7 @@ static void DrawTile_Road(TileInfo *ti)
 				SpriteID image = dtss->image.sprite;
 				SpriteID pal;
 
-				if (!IsTransparencySet(TO_BUILDINGS) && HasBit(image, PALETTE_MODIFIER_COLOR)) {
+				if (!IsTransparencySet(TO_BUILDINGS) && HasBit(image, PALETTE_MODIFIER_COLOUR)) {
 					pal = palette;
 				} else {
 					pal = PAL_NONE;
@@ -1218,7 +1218,7 @@ static void DrawTile_Road(TileInfo *ti)
 
 void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
 {
-	SpriteID palette = COMPANY_SPRITE_COLOR(_local_company);
+	SpriteID palette = COMPANY_SPRITE_COLOUR(_local_company);
 	const DrawTileSprites *dts = (rt == ROADTYPE_TRAM) ? &_tram_depot[dir] : &_road_depot[dir];
 
 	x += 33;
@@ -1230,7 +1230,7 @@ void DrawRoadDepotSprite(int x, int y, D
 		Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z);
 		SpriteID image = dtss->image.sprite;
 
-		DrawSprite(image, HasBit(image, PALETTE_MODIFIER_COLOR) ? palette : PAL_NONE, x + pt.x, y + pt.y);
+		DrawSprite(image, HasBit(image, PALETTE_MODIFIER_COLOUR) ? palette : PAL_NONE, x + pt.x, y + pt.y);
 	}
 }
 
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -148,7 +148,7 @@ void RoadVehUpdateCache(Vehicle *v)
 		u->u.road.cached_veh_length = GetRoadVehLength(u);
 
 		/* Invalidate the vehicle colour map */
-		u->colormap = PAL_NONE;
+		u->colourmap = PAL_NONE;
 	}
 }
 
diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -203,7 +203,7 @@ static bool InitializeWindowsAndCaches()
 {
 	/* Initialize windows */
 	ResetWindowSystem();
-	SetupColorsAndInitialWindow();
+	SetupColoursAndInitialWindow();
 
 	ResetViewportAfterLoadGame();
 
@@ -1754,7 +1754,7 @@ void ReloadNewGRFData()
 	/* Check and update house and town values */
 	UpdateHousesAndTowns();
 	/* Update livery selection windows */
-	for (CompanyID i = COMPANY_FIRST; i < MAX_COMPANIES; i++) InvalidateWindowData(WC_COMPANY_COLOR, i, _loaded_newgrf_features.has_2CC);
+	for (CompanyID i = COMPANY_FIRST; i < MAX_COMPANIES; i++) InvalidateWindowData(WC_COMPANY_COLOUR, i, _loaded_newgrf_features.has_2CC);
 	/* redraw the whole screen */
 	MarkWholeScreenDirty();
 	CheckTrainsLengths();
diff --git a/src/saveload/company_sl.cpp b/src/saveload/company_sl.cpp
--- a/src/saveload/company_sl.cpp
+++ b/src/saveload/company_sl.cpp
@@ -18,7 +18,7 @@
  * - 10 to 13: nose
  * - 13 to 15: lips (also moustache for males)
  * - 16 to 19: hair
- * - 20 to 22: eye color
+ * - 20 to 22: eye colour
  * - 20 to 27: tie, ear rings etc.
  * - 28 to 30: glasses
  * - 19, 26 and 27: race (bit 27 set and bit 19 equal to bit 26 = black, otherwise white)
diff --git a/src/saveload/industry_sl.cpp b/src/saveload/industry_sl.cpp
--- a/src/saveload/industry_sl.cpp
+++ b/src/saveload/industry_sl.cpp
@@ -35,7 +35,7 @@ static const SaveLoad _industry_desc[] =
 
 	    SLE_VAR(Industry, type,                       SLE_UINT8),
 	    SLE_VAR(Industry, owner,                      SLE_UINT8),
-	    SLE_VAR(Industry, random_color,               SLE_UINT8),
+	    SLE_VAR(Industry, random_colour,              SLE_UINT8),
 	SLE_CONDVAR(Industry, last_prod_year,             SLE_FILE_U8 | SLE_VAR_I32,  0, 30),
 	SLE_CONDVAR(Industry, last_prod_year,             SLE_INT32,                 31, SL_MAX_VERSION),
 	    SLE_VAR(Industry, was_cargo_delivered,        SLE_UINT8),
diff --git a/src/saveload/oldloader_sl.cpp b/src/saveload/oldloader_sl.cpp
--- a/src/saveload/oldloader_sl.cpp
+++ b/src/saveload/oldloader_sl.cpp
@@ -853,7 +853,7 @@ static const OldChunks industry_chunk[] 
 	OCL_SVAR(  OC_UINT8, Industry, type ),
 	OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Industry, counter ),
 	OCL_SVAR(  OC_UINT8, Industry, owner ),
-	OCL_SVAR(  OC_UINT8, Industry, random_color ),
+	OCL_SVAR(  OC_UINT8, Industry, random_colour ),
 	OCL_SVAR( OC_TTD | OC_FILE_U8 | OC_VAR_I32, Industry, last_prod_year ),
 	OCL_SVAR( OC_TTD | OC_UINT16, Industry, counter ),
 	OCL_SVAR( OC_TTD | OC_UINT8, Industry, was_cargo_delivered ),
@@ -879,7 +879,7 @@ static bool LoadOldIndustry(LoadgameStat
 			ConvertDateToYMD(_date, &ymd);
 			i->last_prod_year = ymd.year;
 
-			i->random_color = RemapTTOColour(i->random_color);
+			i->random_colour = RemapTTOColour(i->random_colour);
 		}
 
 		IncIndustryTypeCount(i->type);
@@ -1004,7 +1004,7 @@ static bool LoadOldCompany(LoadgameState
 	if (_savegame_type == SGT_TTO) {
 		/* adjust manager's face */
 		if (HasBit(c->face, 27) && GB(c->face, 26, 1) == GB(c->face, 19, 1)) {
-			/* if face would be black in TTD, adjust tie color and thereby face color */
+			/* if face would be black in TTD, adjust tie colour and thereby face colour */
 			ClrBit(c->face, 27);
 		}
 
@@ -1715,7 +1715,7 @@ static const OldChunks main_chunk[] = {
 	OCL_VAR ( OC_FILE_U8 | OC_VAR_U32,    1, &_cur_company_tick_index ),
 
 	OCL_NULL( 2 ),               ///< Date stuff, calculated automatically
-	OCL_NULL( 8 ),               ///< Company colors, calculated automatically
+	OCL_NULL( 8 ),               ///< Company colours, calculated automatically
 
 	OCL_VAR (  OC_UINT8,    1, &_economy.infl_amount ),
 	OCL_VAR (  OC_UINT8,    1, &_economy.infl_amount_pr ),
diff --git a/src/saveload/saveload.cpp b/src/saveload/saveload.cpp
--- a/src/saveload/saveload.cpp
+++ b/src/saveload/saveload.cpp
@@ -1622,7 +1622,7 @@ static SaveOrLoadResult SaveFileToDisk(b
 		AbortSaveLoad();
 		if (_sl.excpt_uninit != NULL) _sl.excpt_uninit();
 
-		/* Skip the "color" character */
+		/* Skip the "colour" character */
 		DEBUG(sl, 0, GetSaveLoadErrorString() + 3);
 
 		if (threaded) {
@@ -1822,7 +1822,7 @@ SaveOrLoadResult SaveOrLoad(const char *
 		/* deinitialize compressor. */
 		if (_sl.excpt_uninit != NULL) _sl.excpt_uninit();
 
-		/* Skip the "color" character */
+		/* Skip the "colour" character */
 		DEBUG(sl, 0, GetSaveLoadErrorString() + 3);
 
 		/* A saver/loader exception!! reinitialize all variables to prevent crash! */
diff --git a/src/screenshot.cpp b/src/screenshot.cpp
--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -234,7 +234,7 @@ static bool MakePNGImage(const char *nam
 	if (pixelformat == 32) {
 		png_color_8 sig_bit;
 
-		/* Save exact color/alpha resolution */
+		/* Save exact colour/alpha resolution */
 		sig_bit.alpha = 0;
 		sig_bit.blue  = 8;
 		sig_bit.green = 8;
@@ -417,7 +417,7 @@ static bool MakePCXImage(const char *nam
 
 	free(buff);
 
-	/* write 8-bit color palette */
+	/* write 8-bit colour palette */
 	if (fputc(12, f) == EOF) {
 		fclose(f);
 		return false;
diff --git a/src/settings.cpp b/src/settings.cpp
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -1370,7 +1370,7 @@ const SettingDesc _settings[] = {
 	SDT_CONDBOOL(GameSettings, economy.exclusive_rights,                        79, SL_MAX_VERSION, 0, 0,  true,                    STR_CONFIG_SETTING_ALLOW_EXCLUSIVE,        NULL),
 	SDT_CONDBOOL(GameSettings, economy.give_money,                              79, SL_MAX_VERSION, 0, 0,  true,                    STR_CONFIG_SETTING_ALLOW_GIVE_MONEY,       NULL),
 	     SDT_VAR(GameSettings, game_creation.snow_line_height,       SLE_UINT8,                     0, 0,     7,     2,      13, 0, STR_CONFIG_SETTING_SNOWLINE_HEIGHT,        NULL),
-	    SDTC_VAR(              gui.colored_news_year,                SLE_INT32,                     0,NC,  2000,MIN_YEAR,MAX_YEAR,1,STR_CONFIG_SETTING_COLORED_NEWS_YEAR,      NULL),
+	    SDTC_VAR(              gui.coloured_news_year,               SLE_INT32,                     0,NC,  2000,MIN_YEAR,MAX_YEAR,1,STR_CONFIG_SETTING_COLORED_NEWS_YEAR,      NULL),
 	     SDT_VAR(GameSettings, game_creation.starting_year,          SLE_INT32,                     0,NC,  1950,MIN_YEAR,MAX_YEAR,1,STR_CONFIG_SETTING_STARTING_YEAR,          NULL),
 	SDT_CONDNULL(                                                            4,  0, 104),
 	    SDT_BOOL(GameSettings, economy.smooth_economy,                                              0, 0,  true,                    STR_CONFIG_SETTING_SMOOTH_ECONOMY,         NULL),
diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -886,7 +886,7 @@ void SettingEntry::DrawSetting(GameSetti
 	if ((sdb->flags & SGF_NO_NETWORK) && _networking) editable = false;
 
 	if (sdb->cmd == SDT_BOOLX) {
-		static const int _bool_ctabs[2][2] = {{9, 4}, {7, 6}};
+		static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
 		/* Draw checkbox for boolean-value either on/off */
 		bool on = (*(bool*)var);
 
@@ -1047,7 +1047,7 @@ static SettingEntry _settings_ui[] = {
 	SettingEntry("gui.default_rail_type"),
 	SettingEntry("gui.always_build_infrastructure"),
 	SettingEntry("gui.persistent_buildingtools"),
-	SettingEntry("gui.colored_news_year"),
+	SettingEntry("gui.coloured_news_year"),
 };
 /** Interface subpage */
 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
diff --git a/src/settings_type.h b/src/settings_type.h
--- a/src/settings_type.h
+++ b/src/settings_type.h
@@ -70,7 +70,7 @@ struct GUISettings {
 	bool   left_mouse_btn_scrolling;         ///< left mouse button scroll
 	bool   pause_on_newgame;                 ///< whether to start new games paused or not
 	bool   enable_signal_gui;                ///< show the signal GUI when the signal button is pressed
-	Year   colored_news_year;                ///< when does newspaper become colored?
+	Year   coloured_news_year;               ///< when does newspaper become coloured?
 	bool   timetable_in_ticks;               ///< whether to show the timetable in ticks rather than days
 	bool   quick_goto;                       ///< Allow quick access to 'goto button' in vehicle orders window
 	bool   bridge_pillars;                   ///< show bridge pillars for high bridges
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -942,7 +942,7 @@ CommandCost CmdRefitShip(TileIndex tile,
 		v->cargo.Truncate((v->cargo_type == new_cid) ? capacity : 0);
 		v->cargo_type = new_cid;
 		v->cargo_subtype = new_subtype;
-		v->colormap = PAL_NONE; // invalidate vehicle colour map
+		v->colourmap = PAL_NONE; // invalidate vehicle colour map
 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
 		InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -50,20 +50,20 @@ static const Widget _smallmap_widgets[] 
 /* number of used industries */
 static int _smallmap_industry_count;
 
-/** Macro for ordinary entry of LegendAndColor */
+/** Macro for ordinary entry of LegendAndColour */
 #define MK(a, b) {a, b, INVALID_INDUSTRYTYPE, true, false, false}
-/** Macro for end of list marker in arrays of LegendAndColor */
+/** Macro for end of list marker in arrays of LegendAndColour */
 #define MKEND() {0, STR_NULL, INVALID_INDUSTRYTYPE, true, true, false}
-/** Macro for break marker in arrays of LegendAndColor.
+/** Macro for break marker in arrays of LegendAndColour.
  * It will have valid data, though */
 #define MS(a, b) {a, b, INVALID_INDUSTRYTYPE, true, false, true}
 
 /** Structure for holding relevant data for legends in small map */
 struct LegendAndColour {
-	uint16 colour;     ///< color of the item on the map
-	StringID legend;   ///< string corresponding to the colored item
+	uint16 colour;     ///< colour of the item on the map
+	StringID legend;   ///< string corresponding to the coloured item
 	IndustryType type; ///< type of industry
-	bool show_on_map;  ///< for filtering industries, if true is shown on map in color
+	bool show_on_map;  ///< for filtering industries, if true is shown on map in colour
 	bool end;          ///< this is the end of the list
 	bool col_break;    ///< perform a break and go one collumn further
 };
@@ -180,28 +180,28 @@ static const LegendAndColour * const _le
 	_legend_land_owners,
 };
 
-#define MKCOLOR(x) TO_LE32X(x)
+#define MKCOLOUR(x) TO_LE32X(x)
 
 /**
  * Height encodings; MAX_TILE_HEIGHT + 1 levels, from 0 to MAX_TILE_HEIGHT
  */
 static const uint32 _map_height_bits[] = {
-	MKCOLOR(0x5A5A5A5A),
-	MKCOLOR(0x5A5B5A5B),
-	MKCOLOR(0x5B5B5B5B),
-	MKCOLOR(0x5B5C5B5C),
-	MKCOLOR(0x5C5C5C5C),
-	MKCOLOR(0x5C5D5C5D),
-	MKCOLOR(0x5D5D5D5D),
-	MKCOLOR(0x5D5E5D5E),
-	MKCOLOR(0x5E5E5E5E),
-	MKCOLOR(0x5E5F5E5F),
-	MKCOLOR(0x5F5F5F5F),
-	MKCOLOR(0x5F1F5F1F),
-	MKCOLOR(0x1F1F1F1F),
-	MKCOLOR(0x1F271F27),
-	MKCOLOR(0x27272727),
-	MKCOLOR(0x27272727),
+	MKCOLOUR(0x5A5A5A5A),
+	MKCOLOUR(0x5A5B5A5B),
+	MKCOLOUR(0x5B5B5B5B),
+	MKCOLOUR(0x5B5C5B5C),
+	MKCOLOUR(0x5C5C5C5C),
+	MKCOLOUR(0x5C5D5C5D),
+	MKCOLOUR(0x5D5D5D5D),
+	MKCOLOUR(0x5D5E5D5E),
+	MKCOLOUR(0x5E5E5E5E),
+	MKCOLOUR(0x5E5F5E5F),
+	MKCOLOUR(0x5F5F5F5F),
+	MKCOLOUR(0x5F1F5F1F),
+	MKCOLOUR(0x1F1F1F1F),
+	MKCOLOUR(0x1F271F27),
+	MKCOLOUR(0x27272727),
+	MKCOLOUR(0x27272727),
 };
 assert_compile(lengthof(_map_height_bits) == MAX_TILE_HEIGHT + 1);
 
@@ -217,48 +217,48 @@ static inline uint32 ApplyMask(uint32 co
 
 
 static const AndOr _smallmap_contours_andor[] = {
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0x000A0A00), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00B5B500), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0x98989898), MKCOLOR(0x00000000)},
-	{MKCOLOR(0xCACACACA), MKCOLOR(0x00000000)},
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0xB5B5B5B5), MKCOLOR(0x00000000)},
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0x00B5B500), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x000A0A00), MKCOLOR(0xFF0000FF)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0x000A0A00), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00B5B500), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0x98989898), MKCOLOUR(0x00000000)},
+	{MKCOLOUR(0xCACACACA), MKCOLOUR(0x00000000)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0xB5B5B5B5), MKCOLOUR(0x00000000)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0x00B5B500), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x000A0A00), MKCOLOUR(0xFF0000FF)},
 };
 
 static const AndOr _smallmap_vehicles_andor[] = {
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00B5B500), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0xCACACACA), MKCOLOR(0x00000000)},
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0xB5B5B5B5), MKCOLOR(0x00000000)},
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0x00B5B500), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00B5B500), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0xCACACACA), MKCOLOUR(0x00000000)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0xB5B5B5B5), MKCOLOUR(0x00000000)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0x00B5B500), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
 };
 
 static const AndOr _smallmap_vegetation_andor[] = {
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00B5B500), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00575700), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0xCACACACA), MKCOLOR(0x00000000)},
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0xB5B5B5B5), MKCOLOR(0x00000000)},
-	{MKCOLOR(0x00000000), MKCOLOR(0xFFFFFFFF)},
-	{MKCOLOR(0x00B5B500), MKCOLOR(0xFF0000FF)},
-	{MKCOLOR(0x00D7D700), MKCOLOR(0xFF0000FF)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00B5B500), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00575700), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0xCACACACA), MKCOLOUR(0x00000000)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0xB5B5B5B5), MKCOLOUR(0x00000000)},
+	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)},
+	{MKCOLOUR(0x00B5B500), MKCOLOUR(0xFF0000FF)},
+	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
 };
 
 typedef uint32 GetSmallMapPixels(TileIndex tile); // typedef callthrough function
@@ -328,9 +328,9 @@ static inline TileType GetEffectiveTileT
 }
 
 /**
- * Return the color a tile would be displayed with in the small map in mode "Contour".
- * @param tile The tile of which we would like to get the color.
- * @return The color of tile in the small map in mode "Contour"
+ * Return the colour a tile would be displayed with in the small map in mode "Contour".
+ * @param tile The tile of which we would like to get the colour.
+ * @return The colour of tile in the small map in mode "Contour"
  */
 static inline uint32 GetSmallMapContoursPixels(TileIndex tile)
 {
@@ -341,46 +341,46 @@ static inline uint32 GetSmallMapContours
 }
 
 /**
- * Return the color a tile would be displayed with in the small map in mode "Vehicles".
+ * Return the colour a tile would be displayed with in the small map in mode "Vehicles".
  *
- * @param tile The tile of which we would like to get the color.
- * @return The color of tile in the small map in mode "Vehicles"
+ * @param tile The tile of which we would like to get the colour.
+ * @return The colour of tile in the small map in mode "Vehicles"
  */
 static inline uint32 GetSmallMapVehiclesPixels(TileIndex tile)
 {
 	TileType t = GetEffectiveTileType(tile);
 
-	return ApplyMask(MKCOLOR(0x54545454), &_smallmap_vehicles_andor[t]);
+	return ApplyMask(MKCOLOUR(0x54545454), &_smallmap_vehicles_andor[t]);
 }
 
 /**
- * Return the color a tile would be displayed with in the small map in mode "Industries".
+ * Return the colour a tile would be displayed with in the small map in mode "Industries".
  *
- * @param tile The tile of which we would like to get the color.
- * @return The color of tile in the small map in mode "Industries"
+ * @param tile The tile of which we would like to get the colour.
+ * @return The colour of tile in the small map in mode "Industries"
  */
 static inline uint32 GetSmallMapIndustriesPixels(TileIndex tile)
 {
 	TileType t = GetEffectiveTileType(tile);
 
 	if (t == MP_INDUSTRY) {
-		/* If industry is allowed to be seen, use its color on the map */
+		/* If industry is allowed to be seen, use its colour on the map */
 		if (_legend_from_industries[_industry_to_list_pos[GetIndustryByTile(tile)->type]].show_on_map) {
 			return GetIndustrySpec(GetIndustryByTile(tile)->type)->map_colour * 0x01010101;
 		} else {
-			/* otherwise, return the color of the clear tiles, which will make it disappear */
-			return ApplyMask(MKCOLOR(0x54545454), &_smallmap_vehicles_andor[MP_CLEAR]);
+			/* otherwise, return the colour of the clear tiles, which will make it disappear */
+			return ApplyMask(MKCOLOUR(0x54545454), &_smallmap_vehicles_andor[MP_CLEAR]);
 		}
 	}
 
-	return ApplyMask(MKCOLOR(0x54545454), &_smallmap_vehicles_andor[t]);
+	return ApplyMask(MKCOLOUR(0x54545454), &_smallmap_vehicles_andor[t]);
 }
 
 /**
- * Return the color a tile would be displayed with in the small map in mode "Routes".
+ * Return the colour a tile would be displayed with in the small map in mode "Routes".
  *
- * @param tile The tile of which we would like to get the color.
- * @return The color of tile  in the small map in mode "Routes"
+ * @param tile The tile of which we would like to get the colour.
+ * @return The colour of tile  in the small map in mode "Routes"
  */
 static inline uint32 GetSmallMapRoutesPixels(TileIndex tile)
 {
@@ -389,30 +389,30 @@ static inline uint32 GetSmallMapRoutesPi
 
 	if (t == MP_STATION) {
 		switch (GetStationType(tile)) {
-			case STATION_RAIL:    bits = MKCOLOR(0x56565656); break;
-			case STATION_AIRPORT: bits = MKCOLOR(0xB8B8B8B8); break;
-			case STATION_TRUCK:   bits = MKCOLOR(0xC2C2C2C2); break;
-			case STATION_BUS:     bits = MKCOLOR(0xBFBFBFBF); break;
-			case STATION_DOCK:    bits = MKCOLOR(0x98989898); break;
-			default:              bits = MKCOLOR(0xFFFFFFFF); break;
+			case STATION_RAIL:    bits = MKCOLOUR(0x56565656); break;
+			case STATION_AIRPORT: bits = MKCOLOUR(0xB8B8B8B8); break;
+			case STATION_TRUCK:   bits = MKCOLOUR(0xC2C2C2C2); break;
+			case STATION_BUS:     bits = MKCOLOUR(0xBFBFBFBF); break;
+			case STATION_DOCK:    bits = MKCOLOUR(0x98989898); break;
+			default:              bits = MKCOLOUR(0xFFFFFFFF); break;
 		}
 	} else {
-		/* ground color */
-		bits = ApplyMask(MKCOLOR(0x54545454), &_smallmap_contours_andor[t]);
+		/* ground colour */
+		bits = ApplyMask(MKCOLOUR(0x54545454), &_smallmap_contours_andor[t]);
 	}
 	return bits;
 }
 
 
 static const uint32 _vegetation_clear_bits[] = {
-	MKCOLOR(0x54545454), ///< full grass
-	MKCOLOR(0x52525252), ///< rough land
-	MKCOLOR(0x0A0A0A0A), ///< rocks
-	MKCOLOR(0x25252525), ///< fields
-	MKCOLOR(0x98989898), ///< snow
-	MKCOLOR(0xC2C2C2C2), ///< desert
-	MKCOLOR(0x54545454), ///< unused
-	MKCOLOR(0x54545454), ///< unused
+	MKCOLOUR(0x54545454), ///< full grass
+	MKCOLOUR(0x52525252), ///< rough land
+	MKCOLOUR(0x0A0A0A0A), ///< rocks
+	MKCOLOUR(0x25252525), ///< fields
+	MKCOLOUR(0x98989898), ///< snow
+	MKCOLOUR(0xC2C2C2C2), ///< desert
+	MKCOLOUR(0x54545454), ///< unused
+	MKCOLOUR(0x54545454), ///< unused
 };
 
 static inline uint32 GetSmallMapVegetationPixels(TileIndex tile)
@@ -423,26 +423,26 @@ static inline uint32 GetSmallMapVegetati
 	switch (t) {
 		case MP_CLEAR:
 			if (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) < 3) {
-				bits = MKCOLOR(0x37373737);
+				bits = MKCOLOUR(0x37373737);
 			} else {
 				bits = _vegetation_clear_bits[GetClearGround(tile)];
 			}
 			break;
 
 		case MP_INDUSTRY:
-			bits = GetIndustrySpec(GetIndustryByTile(tile)->type)->check_proc == CHECK_FOREST ? MKCOLOR(0xD0D0D0D0) : MKCOLOR(0xB5B5B5B5);
+			bits = GetIndustrySpec(GetIndustryByTile(tile)->type)->check_proc == CHECK_FOREST ? MKCOLOUR(0xD0D0D0D0) : MKCOLOUR(0xB5B5B5B5);
 			break;
 
 		case MP_TREES:
 			if (GetTreeGround(tile) == TREE_GROUND_SNOW_DESERT) {
-				bits = (_settings_game.game_creation.landscape == LT_ARCTIC) ? MKCOLOR(0x98575798) : MKCOLOR(0xC25757C2);
+				bits = (_settings_game.game_creation.landscape == LT_ARCTIC) ? MKCOLOUR(0x98575798) : MKCOLOUR(0xC25757C2);
 			} else {
-				bits = MKCOLOR(0x54575754);
+				bits = MKCOLOUR(0x54575754);
 			}
 			break;
 
 		default:
-			bits = ApplyMask(MKCOLOR(0x54545454), &_smallmap_vehicles_andor[t]);
+			bits = ApplyMask(MKCOLOUR(0x54545454), &_smallmap_vehicles_andor[t]);
 			break;
 	}
 
@@ -450,13 +450,13 @@ static inline uint32 GetSmallMapVegetati
 }
 
 
-static uint32 _owner_colors[OWNER_END + 1];
+static uint32 _owner_colours[OWNER_END + 1];
 
 /**
- * Return the color a tile would be displayed with in the small map in mode "Owner".
+ * Return the colour a tile would be displayed with in the small map in mode "Owner".
  *
- * @param tile The tile of which we would like to get the color.
- * @return The color of tile in the small map in mode "Owner"
+ * @param tile The tile of which we would like to get the colour.
+ * @return The colour of tile in the small map in mode "Owner"
  */
 static inline uint32 GetSmallMapOwnerPixels(TileIndex tile)
 {
@@ -472,20 +472,20 @@ static inline uint32 GetSmallMapOwnerPix
 		 */
 	}
 
-	return _owner_colors[o];
+	return _owner_colours[o];
 }
 
 
 static const uint32 _smallmap_mask_left[3] = {
-	MKCOLOR(0xFF000000),
-	MKCOLOR(0xFFFF0000),
-	MKCOLOR(0xFFFFFF00),
+	MKCOLOUR(0xFF000000),
+	MKCOLOUR(0xFFFF0000),
+	MKCOLOUR(0xFFFFFF00),
 };
 
 static const uint32 _smallmap_mask_right[] = {
-	MKCOLOR(0x000000FF),
-	MKCOLOR(0x0000FFFF),
-	MKCOLOR(0x00FFFFFF),
+	MKCOLOUR(0x000000FF),
+	MKCOLOUR(0x0000FFFF),
+	MKCOLOUR(0x00FFFFFF),
 };
 
 /* each tile has 4 x pixels and 1 y pixel */
@@ -499,7 +499,7 @@ static GetSmallMapPixels *_smallmap_draw
 	GetSmallMapOwnerPixels,
 };
 
-static const byte _vehicle_type_colors[6] = {
+static const byte _vehicle_type_colours[6] = {
 	184, 191, 152, 15, 215, 184
 };
 
@@ -564,7 +564,7 @@ public:
 	 * Basically, the small map is draw column of pixels by column of pixels. The pixels
 	 * are drawn directly into the screen buffer. The final map is drawn in multiple passes.
 	 * The passes are:
-	 * <ol><li>The colors of tiles in the different modes.</li>
+	 * <ol><li>The colours of tiles in the different modes.</li>
 	 * <li>Town names (optional)</li></ol>
 	 *
 	 * @param dpi pointer to pixel to write onto
@@ -592,15 +592,15 @@ public:
 		if (this->map_type == SMT_OWNER) {
 			const Company *c;
 
-			/* fill with some special colors */
-			_owner_colors[OWNER_TOWN] = MKCOLOR(0xB4B4B4B4);
-			_owner_colors[OWNER_NONE] = MKCOLOR(0x54545454);
-			_owner_colors[OWNER_WATER] = MKCOLOR(0xCACACACA);
-			_owner_colors[OWNER_END]   = MKCOLOR(0x20202020); /* industry */
+			/* fill with some special colours */
+			_owner_colours[OWNER_TOWN] = MKCOLOUR(0xB4B4B4B4);
+			_owner_colours[OWNER_NONE] = MKCOLOUR(0x54545454);
+			_owner_colours[OWNER_WATER] = MKCOLOUR(0xCACACACA);
+			_owner_colours[OWNER_END]   = MKCOLOUR(0x20202020); /* industry */
 
 			/* now fill with the company colours */
 			FOR_ALL_COMPANIES(c) {
-				_owner_colors[c->index] =
+				_owner_colours[c->index] =
 					_colour_gradient[c->colour][5] * 0x01010101;
 			}
 		}
@@ -675,7 +675,7 @@ public:
 		if (this->map_type == SMT_CONTOUR || this->map_type == SMT_VEHICLES) {
 			Vehicle *v;
 			bool skip;
-			byte color;
+			byte colour;
 
 			FOR_ALL_VEHICLES(v) {
 				if (v->type != VEH_EFFECT &&
@@ -709,12 +709,12 @@ public:
 						skip = true;
 					}
 
-					/* Calculate pointer to pixel and the color */
-					color = (this->map_type == SMT_VEHICLES) ? _vehicle_type_colors[v->type] : 0xF;
+					/* Calculate pointer to pixel and the colour */
+					colour = (this->map_type == SMT_VEHICLES) ? _vehicle_type_colours[v->type] : 0xF;
 
 					/* And draw either one or two pixels depending on clipping */
-					blitter->SetPixel(dpi->dst_ptr, x, y, color);
-					if (!skip) blitter->SetPixel(dpi->dst_ptr, x + 1, y, color);
+					blitter->SetPixel(dpi->dst_ptr, x, y, colour);
+					if (!skip) blitter->SetPixel(dpi->dst_ptr, x + 1, y, colour);
 				}
 			}
 		}
@@ -855,19 +855,19 @@ public:
 				assert(tbl->type < NUM_INDUSTRYTYPES);
 				SetDParam(1, _industry_counts[tbl->type]);
 				if (!tbl->show_on_map) {
-					/* Simply draw the string, not the black border of the legend color.
+					/* Simply draw the string, not the black border of the legend colour.
 					 * This will enforce the idea of the disabled item */
 					DrawString(x + 11, y, STR_SMALLMAP_INDUSTRY, TC_GREY);
 				} else {
 					DrawString(x + 11, y, STR_SMALLMAP_INDUSTRY, TC_BLACK);
-					GfxFillRect(x, y + 1, x + 8, y + 5, 0); // outer border of the legend color
+					GfxFillRect(x, y + 1, x + 8, y + 5, 0); // outer border of the legend colour
 				}
 			} else {
 				/* Anything that is not an industry is using normal process */
 				GfxFillRect(x, y + 1, x + 8, y + 5, 0);
 				DrawString(x + 11, y, tbl->legend, TC_FROMSTRING);
 			}
-			GfxFillRect(x + 1, y + 2, x + 7, y + 4, tbl->colour); // legend color
+			GfxFillRect(x + 1, y + 2, x + 7, y + 4, tbl->colour); // legend colour
 
 			y += 6;
 		}
diff --git a/src/sprite.h b/src/sprite.h
--- a/src/sprite.h
+++ b/src/sprite.h
@@ -7,8 +7,8 @@
 
 #include "gfx_type.h"
 
-#define GENERAL_SPRITE_COLOR(color) ((color) + PALETTE_RECOLOR_START)
-#define COMPANY_SPRITE_COLOR(owner) (GENERAL_SPRITE_COLOR(_company_colours[owner]))
+#define GENERAL_SPRITE_COLOUR(colour) ((colour) + PALETTE_RECOLOUR_START)
+#define COMPANY_SPRITE_COLOUR(owner) (GENERAL_SPRITE_COLOUR(_company_colours[owner]))
 
 /**
  * Whether a sprite comes from the original graphics files or a new grf file
diff --git a/src/spritecache.cpp b/src/spritecache.cpp
--- a/src/spritecache.cpp
+++ b/src/spritecache.cpp
@@ -174,7 +174,7 @@ static void *ReadSprite(SpriteCache *sc,
 	int num  = FioReadWord();
 	byte type = FioReadByte();
 
-	/* Type 0xFF indicates either a colormap or some other non-sprite info */
+	/* Type 0xFF indicates either a colourmap or some other non-sprite info */
 	assert((type == 0xFF) == (sprite_type == ST_RECOLOUR));
 	if (type == 0xFF) {
 		/* "Normal" recolour sprites are ALWAYS 257 bytes. Then there is a small
diff --git a/src/spriteloader/grf.cpp b/src/spriteloader/grf.cpp
--- a/src/spriteloader/grf.cpp
+++ b/src/spriteloader/grf.cpp
@@ -41,7 +41,7 @@ bool SpriteLoaderGrf::LoadSprite(SpriteL
 	int num = FioReadWord();
 	byte type = FioReadByte();
 
-	/* Type 0xFF indicates either a colormap or some other non-sprite info; we do not handle them here */
+	/* Type 0xFF indicates either a colourmap or some other non-sprite info; we do not handle them here */
 	if (type == 0xFF) return false;
 
 	sprite->height = FioReadByte();
diff --git a/src/spriteloader/png.cpp b/src/spriteloader/png.cpp
--- a/src/spriteloader/png.cpp
+++ b/src/spriteloader/png.cpp
@@ -49,7 +49,7 @@ static bool LoadPNG(SpriteLoader::Sprite
 	png_byte header[8];
 	png_structp png_ptr;
 	png_infop info_ptr, end_info;
-	uint bit_depth, color_type;
+	uint bit_depth, colour_type;
 	uint i, pixelsize;
 	png_bytep row_pointer;
 	SpriteLoader::CommonPixel *dst;
@@ -106,9 +106,9 @@ static bool LoadPNG(SpriteLoader::Sprite
 	}
 
 	bit_depth  = png_get_bit_depth(png_ptr, info_ptr);
-	color_type = png_get_color_type(png_ptr, info_ptr);
+	colour_type = png_get_color_type(png_ptr, info_ptr);
 
-	if (mask && (bit_depth != 8 || color_type != PNG_COLOR_TYPE_PALETTE)) {
+	if (mask && (bit_depth != 8 || colour_type != PNG_COLOR_TYPE_PALETTE)) {
 		DEBUG(misc, 0, "Ignoring mask for SpriteID %d as it isn't a 8 bit palette image", id);
 		return true;
 	}
@@ -116,16 +116,16 @@ static bool LoadPNG(SpriteLoader::Sprite
 	if (!mask) {
 		if (bit_depth == 16) png_set_strip_16(png_ptr);
 
-		if (color_type == PNG_COLOR_TYPE_PALETTE) {
+		if (colour_type == PNG_COLOR_TYPE_PALETTE) {
 			png_set_palette_to_rgb(png_ptr);
-			color_type = PNG_COLOR_TYPE_RGB;
+			colour_type = PNG_COLOR_TYPE_RGB;
 		}
-		if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
+		if (colour_type == PNG_COLOR_TYPE_GRAY || colour_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
 			png_set_gray_to_rgb(png_ptr);
-			color_type = PNG_COLOR_TYPE_RGB;
+			colour_type = PNG_COLOR_TYPE_RGB;
 		}
 
-		if (color_type == PNG_COLOR_TYPE_RGB) {
+		if (colour_type == PNG_COLOR_TYPE_RGB) {
 			png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER);
 		}
 
@@ -151,7 +151,7 @@ static bool LoadPNG(SpriteLoader::Sprite
 					dst[x].r = 0;
 					dst[x].g = 0;
 					dst[x].b = 0;
-					/* Alpha channel is used from the original image (to allow transparency in remap colors) */
+					/* Alpha channel is used from the original image (to allow transparency in remap colours) */
 					dst[x].m = row_pointer[x * sizeof(uint8)];
 				}
 			} else {
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -2330,7 +2330,7 @@ static void DrawTile_Station(TileInfo *t
 
 	SpriteID palette;
 	if (IsValidCompanyID(owner)) {
-		palette = COMPANY_SPRITE_COLOR(owner);
+		palette = COMPANY_SPRITE_COLOUR(owner);
 	} else {
 		/* Some stations are not owner by a company, namely oil rigs */
 		palette = PALETTE_TO_GREY;
@@ -2437,7 +2437,7 @@ static void DrawTile_Station(TileInfo *t
 void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image)
 {
 	int32 total_offset = 0;
-	SpriteID pal = COMPANY_SPRITE_COLOR(_local_company);
+	SpriteID pal = COMPANY_SPRITE_COLOUR(_local_company);
 	const DrawTileSprites *t = &_station_display_datas[st][image];
 
 	if (railtype != INVALID_RAILTYPE) {
@@ -2446,7 +2446,7 @@ void StationPickerDrawSprite(int x, int 
 	}
 
 	SpriteID img = t->ground.sprite;
-	DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOR) ? pal : PAL_NONE, x, y);
+	DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOUR) ? pal : PAL_NONE, x, y);
 
 	if (roadtype == ROADTYPE_TRAM) {
 		DrawSprite(SPR_TRAMWAY_TRAM + (t->ground.sprite == SPR_ROAD_PAVED_STRAIGHT_X ? 1 : 0), PAL_NONE, x, y);
diff --git a/src/strings.cpp b/src/strings.cpp
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -1577,12 +1577,12 @@ void CheckForMissingGlyphsInLoadedLangua
 						 * have to show the error. As we do not want the string to
 						 * be translated by the translators, we 'force' it into the
 						 * binary and 'load' it via a BindCString. To do this
-						 * properly we have to set the color of the string,
-						 * otherwise we end up with a lot of artefacts. The color
+						 * properly we have to set the colour of the string,
+						 * otherwise we end up with a lot of artefacts. The colour
 						 * 'character' might change in the future, so for safety
 						 * we just Utf8 Encode it into the string, which takes
 						 * exactly three characters, so it replaces the "XXX" with
-						 * the color marker.
+						 * the colour marker.
 						 */
 						static char *err_str = strdup("XXXThe current font is missing some of the characters used in the texts for this language. Read the readme to see how to solve this.");
 						Utf8Encode(err_str, SCC_YELLOW);
@@ -1603,12 +1603,12 @@ void CheckForMissingGlyphsInLoadedLangua
 	 * about it with a message. As we do not want the string to
 	 * be translated by the translators, we 'force' it into the
 	 * binary and 'load' it via a BindCString. To do this
-	 * properly we have to set the color of the string,
-	 * otherwise we end up with a lot of artefacts. The color
+	 * properly we have to set the colour of the string,
+	 * otherwise we end up with a lot of artefacts. The colour
 	 * 'character' might change in the future, so for safety
 	 * we just Utf8 Encode it into the string, which takes
 	 * exactly three characters, so it replaces the "XXX" with
-	 * the color marker.
+	 * the colour marker.
 	 */
 	if (_dynlang.text_dir != TD_LTR) {
 		static char *err_str = strdup("XXXThis version of OpenTTD does not support right-to-left languages. Recompile with icu enabled.");
diff --git a/src/table/industry_land.h b/src/table/industry_land.h
--- a/src/table/industry_land.h
+++ b/src/table/industry_land.h
@@ -115,26 +115,26 @@ static const DrawBuildingsTileStruct _in
 	M(     0x81d, PAL_NONE,      0x81c, PAL_NONE,  0,  0, 16, 16,   7, 0),
 	M(     0x81d, PAL_NONE,      0x81c, PAL_NONE,  0,  0, 16, 16,   7, 0),
 	M(     0x81d, PAL_NONE,      0x81c, PAL_NONE,  0,  0, 16, 16,   7, 0),
-	M(     0xf54, PAL_NONE,     0x81e | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  1,  1, 14, 14,   4, 0),
-	M(     0xf54, PAL_NONE,     0x81f | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  1,  1, 14, 14,  24, 0),
-	M(     0xf54, PAL_NONE,     0x820 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  1,  1, 14, 14,  27, 0),
-	M(     0x58c, PAL_NONE,     0x820 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  1,  1, 14, 14,  27, 0),
-	M(     0xf54, PAL_NONE,     0x821 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  3,  3, 10,  9,   3, 0),
-	M(     0xf54, PAL_NONE,     0x822 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  3,  3, 10,  9,  63, 0),
-	M(     0xf54, PAL_NONE,     0x823 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  3,  3, 10,  9,  62, 0),
-	M(     0x58c, PAL_NONE,     0x823 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  3,  3, 10,  9,  62, 0),
-	M(     0xf54, PAL_NONE,     0x824 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  4,  4,  7,  7,   3, 0),
-	M(     0xf54, PAL_NONE,     0x825 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  4,  4,  7,  7,  72, 0),
-	M(     0xf54, PAL_NONE,     0x825 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  4,  4,  7,  7,  72, 0),
-	M(     0x58c, PAL_NONE,     0x826 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  4,  4,  7,  7,  80, 0),
-	M(     0xf54, PAL_NONE,     0x827 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  2,  0, 12, 16,  51, 0),
-	M(     0xf54, PAL_NONE,     0x828 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  2,  0, 12, 16,  51, 0),
-	M(     0xf54, PAL_NONE,     0x829 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  2,  0, 12, 16,  51, 0),
-	M(     0x58c, PAL_NONE,     0x829 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  2,  0, 12, 16,  51, 0),
-	M(     0xf54, PAL_NONE,     0x82a | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  26, 0),
-	M(     0xf54, PAL_NONE,     0x82b | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  44, 0),
-	M(     0xf54, PAL_NONE,     0x82c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  46, 0),
-	M(     0x58c, PAL_NONE,     0x82c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  46, 0),
+	M(     0xf54, PAL_NONE,     0x81e | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  1,  1, 14, 14,   4, 0),
+	M(     0xf54, PAL_NONE,     0x81f | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  1,  1, 14, 14,  24, 0),
+	M(     0xf54, PAL_NONE,     0x820 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  1,  1, 14, 14,  27, 0),
+	M(     0x58c, PAL_NONE,     0x820 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  1,  1, 14, 14,  27, 0),
+	M(     0xf54, PAL_NONE,     0x821 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  3,  3, 10,  9,   3, 0),
+	M(     0xf54, PAL_NONE,     0x822 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  3,  3, 10,  9,  63, 0),
+	M(     0xf54, PAL_NONE,     0x823 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  3,  3, 10,  9,  62, 0),
+	M(     0x58c, PAL_NONE,     0x823 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  3,  3, 10,  9,  62, 0),
+	M(     0xf54, PAL_NONE,     0x824 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  4,  4,  7,  7,   3, 0),
+	M(     0xf54, PAL_NONE,     0x825 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  4,  4,  7,  7,  72, 0),
+	M(     0xf54, PAL_NONE,     0x825 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  4,  4,  7,  7,  72, 0),
+	M(     0x58c, PAL_NONE,     0x826 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  4,  4,  7,  7,  80, 0),
+	M(     0xf54, PAL_NONE,     0x827 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  2,  0, 12, 16,  51, 0),
+	M(     0xf54, PAL_NONE,     0x828 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  2,  0, 12, 16,  51, 0),
+	M(     0xf54, PAL_NONE,     0x829 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  2,  0, 12, 16,  51, 0),
+	M(     0x58c, PAL_NONE,     0x829 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  2,  0, 12, 16,  51, 0),
+	M(     0xf54, PAL_NONE,     0x82a | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  26, 0),
+	M(     0xf54, PAL_NONE,     0x82b | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  44, 0),
+	M(     0xf54, PAL_NONE,     0x82c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  46, 0),
+	M(     0x58c, PAL_NONE,     0x82c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  46, 0),
 	M(     0xf54, PAL_NONE,      0x82d, PAL_NONE,  3,  1, 10, 13,   2, 0),
 	M(     0xf54, PAL_NONE,      0x82e, PAL_NONE,  3,  1, 10, 13,  11, 0),
 	M(     0xf54, PAL_NONE,      0x82f, PAL_NONE,  3,  1, 10, 13,  11, 0),
@@ -175,18 +175,18 @@ static const DrawBuildingsTileStruct _in
 	M(     0x87d, PAL_NONE,      0x880, PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x87d, PAL_NONE,      0x87f, PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x87d, PAL_NONE,      0x87e, PAL_NONE,  0,  0, 16, 16,  20, 0),
-	M(     0x83a, PAL_NONE,     0x83c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83a, PAL_NONE,     0x83c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83a, PAL_NONE,     0x83c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83a, PAL_NONE,     0x83c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83b, PAL_NONE,     0x83d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83b, PAL_NONE,     0x83d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83b, PAL_NONE,     0x83d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83b, PAL_NONE,     0x83d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83a, PAL_NONE,     0x83c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83a, PAL_NONE,     0x83c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83a, PAL_NONE,     0x83c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83a, PAL_NONE,     0x83c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83b, PAL_NONE,     0x83d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83b, PAL_NONE,     0x83d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83b, PAL_NONE,     0x83d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83b, PAL_NONE,     0x83d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
 	M(     0x7e6, PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
-	M(     0x83e, PAL_NONE,     0x83f | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83e, PAL_NONE,     0x83f | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
-	M(     0x83e, PAL_NONE,     0x83f | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83e, PAL_NONE,     0x83f | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83e, PAL_NONE,     0x83f | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
+	M(     0x83e, PAL_NONE,     0x83f | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  18, 0),
 	M(     0x7e6, PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
 	M(     0x840, PAL_NONE,      0x841, PAL_NONE,  0,  0, 16, 16,  18, 0),
 	M(     0x840, PAL_NONE,      0x841, PAL_NONE,  0,  0, 16, 16,  18, 0),
@@ -202,35 +202,35 @@ static const DrawBuildingsTileStruct _in
 	M(     0x7e6, PAL_NONE,      0x869, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86d, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86d, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x862 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x866 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x862 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x866 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86a, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86e, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86e, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x863 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x867 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x863 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x867 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86b, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86f, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86f, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x864 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x868 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x864 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x868 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86c, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x870, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x870, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x865 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
-	M(     0xf54, PAL_NONE,     0x871 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x875 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x875 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x879 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x872 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x876 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x876 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x87a | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x873 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x877 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x877 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x87b | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x874 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x878 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x878 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf54, PAL_NONE,     0x87c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x865 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
+	M(     0xf54, PAL_NONE,     0x871 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x875 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x875 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x879 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x872 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x876 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x876 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x87a | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x873 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x877 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x877 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x87b | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x874 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x878 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x878 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf54, PAL_NONE,     0x87c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0xf54, PAL_NONE,      0x7ea, PAL_NONE,  3,  2,  8,  8,  18, 0),
 	M(     0xf54, PAL_NONE,      0x7eb, PAL_NONE,  3,  2,  8,  8,  37, 0),
 	M(     0xf54, PAL_NONE,      0x7ec, PAL_NONE,  3,  2,  8,  8,  49, 0),
@@ -254,27 +254,27 @@ static const DrawBuildingsTileStruct _in
 	M(     0x7e6, PAL_NONE,      0x85c, PAL_NONE,  0,  0,  1,  1,   1, 0),
 	M(     0x851, PAL_NONE,      0x852, PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x851, PAL_NONE,      0x852, PAL_NONE,  0,  0, 16, 16,  20, 0),
-	M(    0x846 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x847 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  20, 0),
+	M(    0x846 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x847 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x7e6, PAL_NONE,      0x85d, PAL_NONE,  0,  0,  1,  1,   1, 0),
 	M(     0x853, PAL_NONE,      0x854, PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x853, PAL_NONE,      0x854, PAL_NONE,  0,  0, 16, 16,  20, 0),
-	M(    0x848 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x849 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  20, 0),
+	M(    0x848 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x849 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x7e6, PAL_NONE,      0x85e, PAL_NONE,  0,  0,  1,  1,   1, 0),
 	M(     0x855, PAL_NONE,      0x856, PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x855, PAL_NONE,      0x856, PAL_NONE,  0,  0, 16, 16,  20, 0),
-	M(    0x84a | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x84b | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  20, 0),
+	M(    0x84a | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x84b | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x7e6, PAL_NONE,      0x85f, PAL_NONE,  0,  0,  1,  1,   1, 0),
 	M(     0x857, PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
 	M(     0x857, PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
-	M(    0x84c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
+	M(    0x84c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
 	M(     0x7e6, PAL_NONE,      0x860, PAL_NONE,  0,  0,  1,  1,   1, 0),
 	M(     0x858, PAL_NONE,      0x859, PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x858, PAL_NONE,      0x859, PAL_NONE,  0,  0, 16, 16,  20, 0),
-	M(    0x84d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x84e | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  20, 0),
+	M(    0x84d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x84e | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x7e6, PAL_NONE,      0x861, PAL_NONE,  0,  0,  1,  1,   1, 0),
 	M(     0x85a, PAL_NONE,      0x85b, PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x85a, PAL_NONE,      0x85b, PAL_NONE,  0,  0, 16, 16,  20, 0),
-	M(    0x84f | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x850 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  20, 0),
+	M(    0x84f | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x850 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  20, 0),
 	M(     0x7e6, PAL_NONE,      0x884, PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x7e6, PAL_NONE,      0x884, PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x7e6, PAL_NONE,      0x884, PAL_NONE,  0,  0, 16, 16,  25, 0),
@@ -283,22 +283,22 @@ static const DrawBuildingsTileStruct _in
 	M(     0x7e6, PAL_NONE,      0x885, PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x7e6, PAL_NONE,      0x885, PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x887, PAL_NONE,      0x885, PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x88c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x88d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x88d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x88e | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x88f | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x890 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x890 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x891 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x892 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x893 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x893 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x894 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x895 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x896 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x896 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(     0x7e6, PAL_NONE,     0x897 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x88c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x88d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x88d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x88e | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x88f | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x890 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x890 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x891 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x892 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x893 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x893 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x894 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x895 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x896 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x896 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(     0x7e6, PAL_NONE,     0x897 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x7e6, PAL_NONE,      0x898, PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x7e6, PAL_NONE,      0x899, PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x7e6, PAL_NONE,      0x899, PAL_NONE,  0,  0, 16, 16,  25, 0),
@@ -515,34 +515,34 @@ static const DrawBuildingsTileStruct _in
 	M(     0x925, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x925, PAL_NONE,      0x927, PAL_NONE,  0,  0, 16, 16,  30, 0),
 	M(     0x925, PAL_NONE,      0x927, PAL_NONE,  0,  0, 16, 16,  30, 0),
-	M(    0x11c6, PAL_NONE,     0x92b | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x92c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x92c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x92d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x92e | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x92f | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x92f | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x930 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x928 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x929 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x929 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
-	M(    0x11c6, PAL_NONE,     0x92a | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x92b | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x92c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x92c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x92d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x92e | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x92f | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x92f | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x930 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x928 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x929 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x929 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
+	M(    0x11c6, PAL_NONE,     0x92a | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  25, 0),
 	M(     0x7e6, PAL_NONE,      0x869, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86d, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86d, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x862 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x866 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x862 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x866 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86a, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86e, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86e, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x863 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x867 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x863 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x867 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86b, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86f, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86f, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x864 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,     0x868 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x864 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,     0x868 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x86c, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x870, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x870, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x865 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
+	M(    0x865 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0,  1,  1,   0, 0),
 	M(     0x7e6, PAL_NONE,      0x931, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x935, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,      0x935, PAL_NONE,  0,  0, 16, 16,  50, 0),
@@ -571,18 +571,18 @@ static const DrawBuildingsTileStruct _in
 	M(     0x7e6, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x7e6, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x1245 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x1248 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x1248 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x124b | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x1247 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x124a | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x124a | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x124d | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x1246 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x1249 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x1249 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0x7e6, PAL_NONE,     0x124c | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x1245 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x1248 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x1248 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x124b | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x1247 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x124a | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x124a | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x124d | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x1246 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x1249 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x1249 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0x7e6, PAL_NONE,     0x124c | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0x81d, PAL_NONE,     0x124e, PAL_NONE,  0,  0, 16, 16,  10, 0),
 	M(     0x81d, PAL_NONE,     0x124f, PAL_NONE,  0,  0, 16, 16,  10, 0),
 	M(     0x81d, PAL_NONE,     0x1250, PAL_NONE,  0,  0, 16, 16,  10, 0),
@@ -674,15 +674,15 @@ static const DrawBuildingsTileStruct _in
 	M(    0x1244, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(    0x1244, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(    0x1244, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x1244, PAL_NONE,     0x1284 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x1244, PAL_NONE,     0x1284 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(    0x1244, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x1244, PAL_NONE,     0x1283 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x1244, PAL_NONE,     0x1283 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x1244, PAL_NONE,     0x1286 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x1244, PAL_NONE,     0x1281 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x1244, PAL_NONE,     0x1282 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x1244, PAL_NONE,     0x1282 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x1244, PAL_NONE,     0x1285 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x1244, PAL_NONE,     0x1283 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x1244, PAL_NONE,     0x1283 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x1244, PAL_NONE,     0x1286 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x1244, PAL_NONE,     0x1281 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x1244, PAL_NONE,     0x1282 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x1244, PAL_NONE,     0x1282 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x1244, PAL_NONE,     0x1285 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(    0x1243, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(    0x1243, PAL_NONE,     0x1287, PALETTE_TO_RED,  0,  0, 16, 16,  50, 0),
 	M(    0x1243, PAL_NONE,     0x1287, PALETTE_TO_RED,  0,  0, 16, 16,  50, 0),
@@ -711,38 +711,38 @@ static const DrawBuildingsTileStruct _in
 	M(     0xf8d, PAL_NONE,     0x129d, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0xf8d, PAL_NONE,     0x129d, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0xf8d, PAL_NONE,     0x129d, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a0 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a0 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a0 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a0 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a1 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a1 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a1 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a1 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a2 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a2 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a2 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a2 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a3 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a3 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a3 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(    0x12a3 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a0 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a0 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a0 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a0 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a1 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a1 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a1 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a1 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a2 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a2 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a2 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a2 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a3 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a3 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a3 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(    0x12a3 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0xf8d, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0xf8d, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0xf8d, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
 	M(     0xf8d, PAL_NONE,        0x0, PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a4 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a4 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a4 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a4 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a6 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a6 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a6 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a6 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 0),
-	M(     0xf8d, PAL_NONE,     0x12a5 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 1),
-	M(     0xf8d, PAL_NONE,     0x12a5 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 1),
-	M(     0xf8d, PAL_NONE,     0x12a5 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 1),
-	M(     0xf8d, PAL_NONE,     0x12a5 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE,  0,  0, 16, 16,  50, 1),
+	M(     0xf8d, PAL_NONE,     0x12a4 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf8d, PAL_NONE,     0x12a4 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf8d, PAL_NONE,     0x12a4 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf8d, PAL_NONE,     0x12a4 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf8d, PAL_NONE,     0x12a6 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf8d, PAL_NONE,     0x12a6 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf8d, PAL_NONE,     0x12a6 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf8d, PAL_NONE,     0x12a6 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 0),
+	M(     0xf8d, PAL_NONE,     0x12a5 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 1),
+	M(     0xf8d, PAL_NONE,     0x12a5 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 1),
+	M(     0xf8d, PAL_NONE,     0x12a5 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 1),
+	M(     0xf8d, PAL_NONE,     0x12a5 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE,  0,  0, 16, 16,  50, 1),
 };
 #undef M
 
diff --git a/src/table/palettes.h b/src/table/palettes.h
--- a/src/table/palettes.h
+++ b/src/table/palettes.h
@@ -194,13 +194,13 @@ static const ExtraPaletteValues _extra_p
 };
 #undef M
 
-// Color table for colors in lang files (e.g. {BLACK})
-struct StringColor {
+// Colour table for colours in lang files (e.g. {BLACK})
+struct StringColour {
 	byte text;
 	byte shadow;
 };
 
-static const StringColor _string_colourmap[][17] = {
+static const StringColour _string_colourmap[][17] = {
 	{ /* DOS palette. */
 		{ 150,   1 }, // TC_BLUE
 		{  12,   1 }, // TC_SILVER
diff --git a/src/table/road_land.h b/src/table/road_land.h
--- a/src/table/road_land.h
+++ b/src/table/road_land.h
@@ -6,24 +6,24 @@
 #define TILE_SEQ_END() { 0, 0, 0, 0, 0, 0, {0, 0} }
 
 static const DrawTileSeqStruct _road_depot_NE[] = {
-	TILE_SEQ_LINE(0x584 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 0, 15, 16, 1)
+	TILE_SEQ_LINE(0x584 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 0, 15, 16, 1)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _road_depot_SE[] = {
-	TILE_SEQ_LINE(0x580 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 0, 0, 1, 16)
-	TILE_SEQ_LINE(0x581 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 15, 0, 1, 16)
+	TILE_SEQ_LINE(0x580 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 0, 0, 1, 16)
+	TILE_SEQ_LINE(0x581 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 15, 0, 1, 16)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _road_depot_SW[] = {
-	TILE_SEQ_LINE(0x582 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 0, 0, 16, 1)
-	TILE_SEQ_LINE(0x583 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 0, 15, 16, 1)
+	TILE_SEQ_LINE(0x582 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 0, 0, 16, 1)
+	TILE_SEQ_LINE(0x583 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 0, 15, 16, 1)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _road_depot_NW[] = {
-	TILE_SEQ_LINE(0x585 | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 15, 0, 1, 16)
+	TILE_SEQ_LINE(0x585 | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 15, 0, 1, 16)
 	TILE_SEQ_END()
 };
 
@@ -35,24 +35,24 @@ static const DrawTileSprites _road_depot
 };
 
 static const DrawTileSeqStruct _tram_depot_NE[] = {
-	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x35) | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 0, 15, 16, 1)
+	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x35) | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 0, 15, 16, 1)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _tram_depot_SE[] = {
-	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x31) | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 0, 0, 1, 16)
-	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x32) | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 15, 0, 1, 16)
+	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x31) | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 0, 0, 1, 16)
+	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x32) | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 15, 0, 1, 16)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _tram_depot_SW[] = {
-	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x33) | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 0, 0, 16, 1)
-	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x34) | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 0, 15, 16, 1)
+	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x33) | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 0, 0, 16, 1)
+	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x34) | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 0, 15, 16, 1)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _tram_depot_NW[] = {
-	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x36) | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE, 15, 0, 1, 16)
+	TILE_SEQ_LINE((SPR_TRAMWAY_BASE + 0x36) | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE, 15, 0, 1, 16)
 	TILE_SEQ_END()
 };
 
diff --git a/src/table/sprites.h b/src/table/sprites.h
--- a/src/table/sprites.h
+++ b/src/table/sprites.h
@@ -56,8 +56,8 @@ enum Sprites {
 	SPR_HALFTILE_SELECTION_DOWN = SPR_OPENTTD_BASE + 4,
 	SPR_HALFTILE_SELECTION_UP   = SPR_OPENTTD_BASE + 8,
 
-	SPR_SQUARE             = SPR_OPENTTD_BASE + 38, // colored square (used for newgrf compatibility)
-	SPR_BLOT               = SPR_OPENTTD_BASE + 39, // colored circle (mainly used as vehicle profit marker and for server compatibility)
+	SPR_SQUARE             = SPR_OPENTTD_BASE + 38, // coloured square (used for newgrf compatibility)
+	SPR_BLOT               = SPR_OPENTTD_BASE + 39, // coloured circle (mainly used as vehicle profit marker and for server compatibility)
 	SPR_LOCK               = SPR_OPENTTD_BASE + 40, // lock icon (for password protected servers)
 	SPR_BOX_EMPTY          = SPR_OPENTTD_BASE + 41,
 	SPR_BOX_CHECKED        = SPR_OPENTTD_BASE + 42,
@@ -1401,24 +1401,24 @@ enum AnimCursors {
  * <ul><li> SPRITE_WIDTH is the number of bits used for the actual sprite to be displayed.
  * This always starts at bit 0.</li>
  * <li> TRANSPARENT_BIT is the bit number which toggles sprite transparency</li>
- * <li> RECOLOR_BIT toggles the recoloring system</li>
+ * <li> RECOLOUR_BIT toggles the recolouring system</li>
  * <li> PALETTE_SPRITE_WIDTH and PALETTE_SPRITE_START determine the position and number of
- * bits used for the recoloring process. For transparency, it must be 0x322.</li></ul>
+ * bits used for the recolouring process. For transparency, it must be 0x322.</li></ul>
  */
 enum SpriteSetup {
 	TRANSPARENT_BIT = 31,       ///< toggles transparency in the sprite
-	RECOLOR_BIT = 30,           ///< toggles recoloring in the sprite
+	RECOLOUR_BIT = 30,          ///< toggles recolouring in the sprite
 	OFFSET_BIT = 29,
 	OPAQUE_BIT = 28,
 
-	PALETTE_WIDTH = 24,         ///< number of bits of the sprite containing the recolor palette
+	PALETTE_WIDTH = 24,         ///< number of bits of the sprite containing the recolour palette
 	SPRITE_WIDTH = 24,          ///< number of bits for the sprite number
 };
 
 /**
- * these masks change the colors of the palette for a sprite.
+ * these masks change the colours of the palette for a sprite.
  * Apart from this bit, a sprite number is needed to define
- * the palette used for recoloring. This palette is stored
+ * the palette used for recolouring. This palette is stored
  * in the bits marked by PALETTE_SPRITE_MASK.
  * @note Do not modify this enum. Alter SpriteSetup instead
  * @see SpriteSetup
@@ -1429,8 +1429,8 @@ enum Modifiers {
 	SPRITE_MODIFIER_OPAQUE        = OPAQUE_BIT,
 	///when a sprite is to be displayed transparently, this bit needs to be set.
 	PALETTE_MODIFIER_TRANSPARENT  = TRANSPARENT_BIT,
-	///this bit is set when a recoloring process is in action
-	PALETTE_MODIFIER_COLOR        = RECOLOR_BIT,
+	///this bit is set when a recolouring process is in action
+	PALETTE_MODIFIER_COLOUR       = RECOLOUR_BIT,
 };
 
 /** Masks needed for sprite operations.
@@ -1443,18 +1443,18 @@ enum SpriteMasks {
 	SPRITE_MASK = MAX_SPRITES - 1,
 
 	MAX_PALETTES = 1 << PALETTE_WIDTH,
-	///The mask for the auxiliary sprite (the one that takes care of recoloring)
+	///The mask for the auxiliary sprite (the one that takes care of recolouring)
 	PALETTE_MASK = MAX_PALETTES - 1,
 };
 
 assert_compile( (1 << TRANSPARENT_BIT & SPRITE_MASK) == 0 );
-assert_compile( (1 << RECOLOR_BIT & SPRITE_MASK) == 0 );
-assert_compile( !(TRANSPARENT_BIT == RECOLOR_BIT) );
+assert_compile( (1 << RECOLOUR_BIT & SPRITE_MASK) == 0 );
+assert_compile( !(TRANSPARENT_BIT == RECOLOUR_BIT) );
 assert_compile( (1 << TRANSPARENT_BIT & PALETTE_MASK) == 0);
-assert_compile( (1 << RECOLOR_BIT & PALETTE_MASK) == 0 );
+assert_compile( (1 << RECOLOUR_BIT & PALETTE_MASK) == 0 );
 
-enum Recoloring {
-	PALETTE_RECOLOR_START       = 0x307,
+enum Recolouring {
+	PALETTE_RECOLOUR_START       = 0x307,
 };
 
 
@@ -1471,10 +1471,10 @@ static const SpriteID PALETTE_SEL_TILE_R
 	///This draws a blueish square (catchment areas for example)
 static const SpriteID PALETTE_SEL_TILE_BLUE       = 0x305;
 	//0x306 is a real sprite (the little dot you get when you try to raise/lower a corner of the map
-	//here the color switches begin
-	//use this if you add stuff to the value, so that the resulting color
+	//here the colour switches begin
+	//use this if you add stuff to the value, so that the resulting colour
 	//is not a fixed value.
-	//NOTE THAT THE SWITCH 0x8000 is NOT present in _TO_COLORS yet!
+	//NOTE THAT THE SWITCH 0x8000 is NOT present in _TO_COLOURS yet!
 enum PaletteSprites {
 	PALETTE_TO_DARK_BLUE        = 0x307,
 	PALETTE_TO_PALE_GREEN       = 0x308,
@@ -1486,32 +1486,32 @@ enum PaletteSprites {
 	PALETTE_TO_DARK_GREEN       = 0x30E,
 	PALETTE_TO_BLUE             = 0x30F,
 	PALETTE_TO_CREAM            = 0x310,
-	//maybe don't use as company color because it doesn't display in the graphs?
+	//maybe don't use as company colour because it doesn't display in the graphs?
 	PALETTE_TO_MAUVE            = 0x311,
 	PALETTE_TO_PURPLE           = 0x312,
 	PALETTE_TO_ORANGE           = 0x313,
 	PALETTE_TO_BROWN            = 0x314,
 	PALETTE_TO_GREY             = 0x315,
 	PALETTE_TO_WHITE            = 0x316,
-	//sets color to bare land stuff, for rail and road (and crossings)
+	//sets colour to bare land stuff, for rail and road (and crossings)
 	PALETTE_TO_BARE_LAND        = 0x317,
 	//XXX is 318-31A really not used?
 	PALETTE_TO_STRUCT_BLUE      = 0x31B,
-	//structure color to something brownish (for the cantilever bridges for example)
+	//structure colour to something brownish (for the cantilever bridges for example)
 	PALETTE_TO_STRUCT_BROWN     = 0x31C,
 	PALETTE_TO_STRUCT_WHITE     = 0x31D,
 	//sets bridge or structure to red, little concrete one and cantilever use this one for example
 	PALETTE_TO_STRUCT_RED       = 0x31E,
 	PALETTE_TO_STRUCT_GREEN     = 0x31F,
 	PALETTE_TO_STRUCT_CONCRETE  = 0x320, //Sets the suspension bridge to concrete, also other strucutures use it
-	PALETTE_TO_STRUCT_YELLOW    = 0x321, //Sets the bridge color to yellow (suspension and tubular)
+	PALETTE_TO_STRUCT_YELLOW    = 0x321, //Sets the bridge colour to yellow (suspension and tubular)
 	PALETTE_TO_TRANSPARENT      = 0x322, //This sets the sprite to transparent
-	//This is used for changing the tubular bridges to the silicon display, or some grayish color
+	//This is used for changing the tubular bridges to the silicon display, or some grayish colour
 	PALETTE_TO_STRUCT_GREY      = 0x323,
 
-	//XXX - const - PALETTE_CRASH               = 0x324,  //this changes stuff to the "crash color"
-	//XXX another place where structures are colored.
-	//I'm not sure which colors these are
+	//XXX - const - PALETTE_CRASH               = 0x324,  //this changes stuff to the "crash colour"
+	//XXX another place where structures are coloured.
+	//I'm not sure which colours these are
 	PALETTE_59E                 = 0x59E,
 	PALETTE_59F                 = 0x59F,
 };
diff --git a/src/table/station_land.h b/src/table/station_land.h
--- a/src/table/station_land.h
+++ b/src/table/station_land.h
@@ -33,136 +33,136 @@ static const DrawTileSeqStruct _station_
 };
 
 static const DrawTileSeqStruct _station_display_datas_0[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_REAR  | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 11,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_FRONT | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_REAR  | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 11,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_FRONT | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_1[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_REAR  | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(11,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_FRONT | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_REAR  | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(11,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_FRONT | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_2[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  5,  2, SPR_RAIL_PLATFORM_BUILDING_X | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 11,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_FRONT    | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0, 16,  5,  2, SPR_RAIL_PLATFORM_BUILDING_X | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 11,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_FRONT    | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_3[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_BUILDING_Y | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(11,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_FRONT    | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_BUILDING_Y | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(11,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_FRONT    | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_4[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  5,  7, SPR_RAIL_PLATFORM_PILLARS_X_REAR | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 11,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_FRONT        | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0, 16, 16, 16, 10, SPR_RAIL_ROOF_STRUCTURE_X_TILE_A | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0, 16,  5,  7, SPR_RAIL_PLATFORM_PILLARS_X_REAR | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 11,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_FRONT        | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0, 16, 16, 16, 10, SPR_RAIL_ROOF_STRUCTURE_X_TILE_A | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_LINE_PAL( 0,  0, (byte)0x80, 0,  0,  0, SPR_RAIL_ROOF_GLASS_X_TILE_A     | (1 << PALETTE_MODIFIER_TRANSPARENT), PALETTE_TO_TRANSPARENT)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_5[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_PILLARS_Y_REAR | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(11,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_FRONT        | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0, 16, 16, 16, 10, SPR_RAIL_ROOF_STRUCTURE_Y_TILE_A | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_PILLARS_Y_REAR | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(11,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_FRONT        | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0, 16, 16, 16, 10, SPR_RAIL_ROOF_STRUCTURE_Y_TILE_A | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_LINE_PAL( 0,  0, (byte)0x80, 0,  0,  0, SPR_RAIL_ROOF_GLASS_Y_TILE_A     | (1 << PALETTE_MODIFIER_TRANSPARENT), PALETTE_TO_TRANSPARENT)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_6[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_REAR          | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 11,  0, 16,  5,  2, SPR_RAIL_PLATFORM_PILLARS_X_FRONT | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0, 16, 16, 16, 10, SPR_RAIL_ROOF_STRUCTURE_X_TILE_B  | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0, 16,  5,  2, SPR_RAIL_PLATFORM_X_REAR          | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 11,  0, 16,  5,  2, SPR_RAIL_PLATFORM_PILLARS_X_FRONT | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0, 16, 16, 16, 10, SPR_RAIL_ROOF_STRUCTURE_X_TILE_B  | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_LINE_PAL( 0,  0, (byte)0x80, 0,  0,  0, SPR_RAIL_ROOF_GLASS_X_TILE_B      | (1 << PALETTE_MODIFIER_TRANSPARENT), PALETTE_TO_TRANSPARENT)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_7[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_REAR          | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(11,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_PILLARS_Y_FRONT | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0, 16, 16, 16, 10, SPR_RAIL_ROOF_STRUCTURE_Y_TILE_B  | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_Y_REAR          | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(11,  0,  0,  5, 16,  2, SPR_RAIL_PLATFORM_PILLARS_Y_FRONT | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0, 16, 16, 16, 10, SPR_RAIL_ROOF_STRUCTURE_Y_TILE_B  | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_LINE_PAL( 0,  0, (byte)0x80, 0,  0,  0, SPR_RAIL_ROOF_GLASS_Y_TILE_B      | (1 << PALETTE_MODIFIER_TRANSPARENT), PALETTE_TO_TRANSPARENT)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_9[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences north
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences north
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_10[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_21[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_22[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_23[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_24[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_25[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_26[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_27[] = {
-	TILE_SEQ_LINE( 2,  0,  0, 11, 16, 40, SPR_AIRPORT_TERMINAL_A | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 2,  0,  0, 11, 16, 40, SPR_AIRPORT_TERMINAL_A | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_28[] = {
-	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_TOWER | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_TOWER | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_29[] = {
-	TILE_SEQ_LINE( 0,  1,  0, 14, 14, 30, SPR_AIRPORT_CONCOURSE | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  1,  0, 14, 14, 30, SPR_AIRPORT_CONCOURSE | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_30[] = {
-	TILE_SEQ_LINE( 3,  3,  0, 10, 11, 35, SPR_AIRPORT_TERMINAL_B | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 3,  3,  0, 10, 11, 35, SPR_AIRPORT_TERMINAL_B | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_31[] = {
-	TILE_SEQ_LINE( 0,  3,  0, 16, 11, 40, SPR_AIRPORT_TERMINAL_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  3,  0, 16, 11, 40, SPR_AIRPORT_TERMINAL_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_32[] = {
-	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_AIRPORT_HANGAR_FRONT | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0,  2, 16, 28, SPR_AIRPORT_HANGAR_REAR | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_AIRPORT_HANGAR_FRONT | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0,  2, 16, 28, SPR_AIRPORT_HANGAR_REAR | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_33[] = {
 	TILE_SEQ_LINE( 7, 11,  0,  3,  3, 14, SPR_AIRPORT_JETWAY_1)
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
@@ -182,201 +182,201 @@ static const DrawTileSeqStruct _station_
 };
 
 static const DrawTileSeqStruct _station_display_datas_38[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_39[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_1)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_40[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_2)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_41[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_3)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_42[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_4)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_43[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_5)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_44[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_6)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_45[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_7)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_46[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_8)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_47[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_9)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_48[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_A)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_49[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_B)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_50[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_C)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_51[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2, 70, SPR_UNMOVABLE_TRANSMITTER)
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_54[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 15, 15, 30, SPR_AIRFIELD_TERM_C_BUILD | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0, 15, 15, 30, SPR_AIRFIELD_TERM_C_BUILD | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_55[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_58[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 4, 11,  0,  1,  1, 20, SPR_AIRFIELD_WIND_1 | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 4, 11,  0,  1,  1, 20, SPR_AIRFIELD_WIND_1 | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_59[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 4, 11,  0,  1,  1, 20, SPR_AIRFIELD_WIND_2 | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 4, 11,  0,  1,  1, 20, SPR_AIRFIELD_WIND_2 | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_60[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 4, 11,  0,  1,  1, 20, SPR_AIRFIELD_WIND_3 | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 4, 11,  0,  1,  1, 20, SPR_AIRFIELD_WIND_3 | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_61[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 4, 11,  0,  1,  1, 20, SPR_AIRFIELD_WIND_4 | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 4, 11,  0,  1,  1, 20, SPR_AIRFIELD_WIND_4 | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_62[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_63[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_64[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_65[] = {
-	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_AIRFIELD_HANGAR_FRONT | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0,  2, 16, 28, SPR_AIRFIELD_HANGAR_REAR | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_AIRFIELD_HANGAR_FRONT | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0,  2, 16, 28, SPR_AIRFIELD_HANGAR_REAR | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_66[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16, 16, 60, SPR_HELIPORT | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0, 16, 16, 60, SPR_HELIPORT | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_67[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 13,  1, 10, SPR_TRUCK_STOP_NE_BUILD_A | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(13,  0,  0,  3, 16, 10, SPR_TRUCK_STOP_NE_BUILD_B | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 2,  0,  0, 11,  1, 10, SPR_TRUCK_STOP_NE_BUILD_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0, 15,  0, 13,  1, 10, SPR_TRUCK_STOP_NE_BUILD_A | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(13,  0,  0,  3, 16, 10, SPR_TRUCK_STOP_NE_BUILD_B | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 2,  0,  0, 11,  1, 10, SPR_TRUCK_STOP_NE_BUILD_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_68[] = {
-	TILE_SEQ_LINE(15,  3,  0,  1, 13, 10, SPR_TRUCK_STOP_SE_BUILD_A | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0, 16,  3, 10, SPR_TRUCK_STOP_SE_BUILD_B | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  3,  0,  1, 11, 10, SPR_TRUCK_STOP_SE_BUILD_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  3,  0,  1, 13, 10, SPR_TRUCK_STOP_SE_BUILD_A | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0, 16,  3, 10, SPR_TRUCK_STOP_SE_BUILD_B | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  3,  0,  1, 11, 10, SPR_TRUCK_STOP_SE_BUILD_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_69[] = {
-	TILE_SEQ_LINE( 3,  0,  0, 13,  1, 10, SPR_TRUCK_STOP_SW_BUILD_A | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0,  3, 16, 10, SPR_TRUCK_STOP_SW_BUILD_B | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 3, 15,  0, 11,  1, 10, SPR_TRUCK_STOP_SW_BUILD_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 3,  0,  0, 13,  1, 10, SPR_TRUCK_STOP_SW_BUILD_A | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0,  3, 16, 10, SPR_TRUCK_STOP_SW_BUILD_B | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 3, 15,  0, 11,  1, 10, SPR_TRUCK_STOP_SW_BUILD_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_70[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 13, 10, SPR_TRUCK_STOP_NW_BUILD_A | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 13,  0, 16,  3, 10, SPR_TRUCK_STOP_NW_BUILD_B | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(15,  2,  0,  1, 11, 10, SPR_TRUCK_STOP_NW_BUILD_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 13, 10, SPR_TRUCK_STOP_NW_BUILD_A | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0, 16,  3, 10, SPR_TRUCK_STOP_NW_BUILD_B | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(15,  2,  0,  1, 11, 10, SPR_TRUCK_STOP_NW_BUILD_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_71[] = {
-	TILE_SEQ_LINE( 2,  0,  0, 11,  1, 10, SPR_BUS_STOP_NE_BUILD_A | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(13,  0,  0,  3, 16, 10, SPR_BUS_STOP_NE_BUILD_B | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 13,  0, 13,  3, 10, SPR_BUS_STOP_NE_BUILD_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 2,  0,  0, 11,  1, 10, SPR_BUS_STOP_NE_BUILD_A | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(13,  0,  0,  3, 16, 10, SPR_BUS_STOP_NE_BUILD_B | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0, 13,  3, 10, SPR_BUS_STOP_NE_BUILD_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_72[] = {
-	TILE_SEQ_LINE( 0,  3,  0,  1, 11, 10, SPR_BUS_STOP_SE_BUILD_A | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0, 16,  3, 10, SPR_BUS_STOP_SE_BUILD_B | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(13,  3,  0,  3, 13, 10, SPR_BUS_STOP_SE_BUILD_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  3,  0,  1, 11, 10, SPR_BUS_STOP_SE_BUILD_A | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0, 16,  3, 10, SPR_BUS_STOP_SE_BUILD_B | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(13,  3,  0,  3, 13, 10, SPR_BUS_STOP_SE_BUILD_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_73[] = {
-	TILE_SEQ_LINE( 3, 15,  0, 11,  1, 10, SPR_BUS_STOP_SW_BUILD_A | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0,  3, 16, 10, SPR_BUS_STOP_SW_BUILD_B | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 3,  0,  0, 13,  3, 10, SPR_BUS_STOP_SW_BUILD_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 3, 15,  0, 11,  1, 10, SPR_BUS_STOP_SW_BUILD_A | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0,  3, 16, 10, SPR_BUS_STOP_SW_BUILD_B | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 3,  0,  0, 13,  3, 10, SPR_BUS_STOP_SW_BUILD_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _station_display_datas_74[] = {
-	TILE_SEQ_LINE(15,  2,  0,  1, 11, 10, SPR_BUS_STOP_NW_BUILD_A | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 13,  0, 16,  3, 10, SPR_BUS_STOP_NW_BUILD_B | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0,  3, 13, 10, SPR_BUS_STOP_NW_BUILD_C | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15,  2,  0,  1, 11, 10, SPR_BUS_STOP_NW_BUILD_A | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0, 16,  3, 10, SPR_BUS_STOP_NW_BUILD_B | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0,  3, 13, 10, SPR_BUS_STOP_NW_BUILD_C | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
@@ -419,34 +419,34 @@ static const DrawTileSeqStruct _station_
 // control tower with concrete underground and no fence
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_085[] = {
-	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_TOWER | (1 << PALETTE_MODIFIER_COLOR))  // control tower
+	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_TOWER | (1 << PALETTE_MODIFIER_COLOUR))  // control tower
 	TILE_SEQ_END()
 };
 
 // new airportdepot, facing west
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_086[] = {
-	TILE_SEQ_LINE(14, 0,  0,  2, 16, 28, SPR_AIRFIELD_HANGAR_FRONT | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 0,  0,  2, 16, 28, SPR_AIRFIELD_HANGAR_REAR | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(14, 0,  0,  2, 16, 28, SPR_AIRFIELD_HANGAR_FRONT | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 0,  0,  2, 16, 28, SPR_AIRFIELD_HANGAR_REAR | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // asphalt tile with fences in north
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_087[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // end of runway
 static const DrawTileSeqStruct _station_display_datas_088[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences
 	TILE_SEQ_END()
 };
 
 // runway tiles
 static const DrawTileSeqStruct _station_display_datas_089[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences
 	TILE_SEQ_END()
 };
 
@@ -455,84 +455,84 @@ static const DrawTileSeqStruct _station_
 //BEGIN
 static const DrawTileSeqStruct _station_display_datas_090[] = {
 	TILE_SEQ_LINE( 7, 7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_1)   // turning radar
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))  //fences
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))  //fences
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_091[] = {
 	TILE_SEQ_LINE( 7, 7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_2)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_092[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_3)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_093[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_4)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_094[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_5)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_095[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_6)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_096[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_7)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_097[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_8)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_098[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_9)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_099[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_A)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0100[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_B)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0101[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_C)
-	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(15, 0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 //END
@@ -542,84 +542,84 @@ static const DrawTileSeqStruct _station_
 //BEGIN
 static const DrawTileSeqStruct _station_display_datas_0102[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_1)   // turning radar
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0103[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_2)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0104[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_3)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0105[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_4)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0106[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_5)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0107[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_6)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0108[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_7)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0109[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_8)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0110[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_9)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0111[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_A)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0112[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_B)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0113[] = {
 	TILE_SEQ_LINE(7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_C)
-	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 //END
@@ -628,7 +628,7 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0114[] = {
 	TILE_SEQ_LINE(10,  6,  0,  0,  0,  0, SPR_AIRPORT_HELIPAD)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences bottom
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences bottom
 	TILE_SEQ_END()
 };
 
@@ -636,7 +636,7 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0115[] = {
 	TILE_SEQ_LINE(10,  6,  0,  0,  0,  0, SPR_AIRPORT_HELIPAD)
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences left
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences left
 	TILE_SEQ_END()
 };
 
@@ -650,36 +650,36 @@ static const DrawTileSeqStruct _station_
 // asphalt tile with fences in north and south
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0117[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // runway tiles with 2 corner fences
 static const DrawTileSeqStruct _station_display_datas_0118[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences north
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences north
 	TILE_SEQ_END()
 };
 
 // runway tiles with 2 corner fences
 static const DrawTileSeqStruct _station_display_datas_0119[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // runway tiles with 2 corner fences
 static const DrawTileSeqStruct _station_display_datas_0120[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences north
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences north
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
 	TILE_SEQ_END()
 };
 
 // runway tiles with 2 corner fences
 static const DrawTileSeqStruct _station_display_datas_0121[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
@@ -687,67 +687,67 @@ static const DrawTileSeqStruct _station_
 // helipad tiles with 2 corner fences top+right
 static const DrawTileSeqStruct _station_display_datas_0122[] = {
 	TILE_SEQ_LINE(10,  6,  0,  0,  0,  0, SPR_AIRPORT_HELIPAD)
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // tarmac tiles with 2 corner fences bottom+right
 static const DrawTileSeqStruct _station_display_datas_0123[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences north
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences north
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // helidepot office with concrete underground and no fence
 // concrete underground, fences top + left
 static const DrawTileSeqStruct _station_display_datas_0124[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences left
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
-	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOR))  // helidepot office
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences left
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
+	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOUR))  // helidepot office
 	TILE_SEQ_END()
 };
 
 // N/S runway plain
 static const DrawTileSeqStruct _station_display_datas_0125[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
 	TILE_SEQ_END()
 };
 
 // N/S runway end
 static const DrawTileSeqStruct _station_display_datas_0126[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
 	TILE_SEQ_END()
 };
 
 // N/S runway plain
 static const DrawTileSeqStruct _station_display_datas_0127[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences bottom
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences bottom
 	TILE_SEQ_END()
 };
 
 // N/S runway end
 static const DrawTileSeqStruct _station_display_datas_0128[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences bottom
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences bottom
 	TILE_SEQ_END()
 };
 
 // West facing hangar
 static const DrawTileSeqStruct _station_display_datas_0129[] = {
-	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_NEWHANGAR_W | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0,  2, 16, 28, SPR_NEWHANGAR_W_WALL | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_NEWHANGAR_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0,  2, 16, 28, SPR_NEWHANGAR_W_WALL | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // North facing hangar
 static const DrawTileSeqStruct _station_display_datas_0130[] = {
-	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_NEWHANGAR_N | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_NEWHANGAR_N | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // East facing hangar
 static const DrawTileSeqStruct _station_display_datas_0131[] = {
-	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_NEWHANGAR_E | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(14,  0,  0,  2, 16, 28, SPR_NEWHANGAR_E | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
@@ -755,8 +755,8 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0132[] = {
 	TILE_SEQ_LINE(10,  6,  0,  0,  0,  0, SPR_AIRPORT_HELIPAD)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences bottom
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences right
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences bottom
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences right
 	TILE_SEQ_END()
 };
 
@@ -764,69 +764,69 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0133[] = {
 	TILE_SEQ_LINE(10,  6,  0,  0,  0,  0, SPR_AIRPORT_HELIPAD)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // helidepot office with concrete underground and fence north
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0134[] = {
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences north
-	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOR))  // helidepot office
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences north
+	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOUR))  // helidepot office
 	TILE_SEQ_END()
 };
 
 // helidepot office with concrete underground and fence east
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0135[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
-	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOR))  // helidepot office
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
+	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOUR))  // helidepot office
 	TILE_SEQ_END()
 };
 
 // helidepot office with concrete underground and fence west
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0136[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
-	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOR))  // helidepot office
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
+	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOUR))  // helidepot office
 	TILE_SEQ_END()
 };
 
 // helidepot office with concrete underground and fence south
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0137[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
-	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOR))  // helidepot office
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
+	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOUR))  // helidepot office
 	TILE_SEQ_END()
 };
 
 // terminal with fence to east
 static const DrawTileSeqStruct _station_display_datas_0138[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
 	TILE_SEQ_END()
 };
 
 // terminal with fence to south
 static const DrawTileSeqStruct _station_display_datas_0139[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // terminal with fence to north
 static const DrawTileSeqStruct _station_display_datas_0140[] = {
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
 	TILE_SEQ_END()
 };
 
 // concrete with fence to east
 static const DrawTileSeqStruct _station_display_datas_0141[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
 	TILE_SEQ_END()
 };
 
 // concrete with fence to south
 static const DrawTileSeqStruct _station_display_datas_0142[] = {
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
@@ -834,8 +834,8 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0143[] = {
 	TILE_SEQ_LINE(10,  6,  0,  0,  0,  0, SPR_AIRPORT_HELIPAD)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences north
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences north
 	TILE_SEQ_END()
 };
 
@@ -843,7 +843,7 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0144[] = {
 	TILE_SEQ_LINE(10,  6,  0,  0,  0,  0, SPR_AIRPORT_HELIPAD)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
 	TILE_SEQ_END()
 };
 
@@ -852,84 +852,84 @@ static const DrawTileSeqStruct _station_
 //BEGIN
 static const DrawTileSeqStruct _station_display_datas_0145[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_1)   // turning radar
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0146[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_2)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0147[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_3)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0148[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_4)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0149[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_5)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0150[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_6)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0151[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_7)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0152[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_8)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0153[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_9)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0154[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_A)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0155[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_B)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0156[] = {
 	TILE_SEQ_LINE( 7,  7,  0,  2,  2,  8, SPR_AIRPORT_RADAR_C)
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 //END
@@ -938,8 +938,8 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0157[] = {
 	TILE_SEQ_LINE( 0,  1,  2,  0,  0,  0, SPR_NEWHELIPAD)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
@@ -947,8 +947,8 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0158[] = {
 	TILE_SEQ_LINE( 0,  1,  2,  0,  0,  0, SPR_NEWHELIPAD)
-	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences west
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences north
+	TILE_SEQ_LINE(15,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences west
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences north
 	TILE_SEQ_END()
 };
 
@@ -956,20 +956,20 @@ static const DrawTileSeqStruct _station_
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0159[] = {
 	TILE_SEQ_LINE( 0,  1,  2,  0,  0,  0, SPR_NEWHELIPAD)
-	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences north
+	TILE_SEQ_LINE( 0,  0,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences north
 	TILE_SEQ_END()
 };
 
 // helidepot office with concrete underground - no fence
 static const DrawTileSeqStruct _station_display_datas_0160[] = {
-	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOR))  // helidepot office
+	TILE_SEQ_LINE( 3,  3,  0, 10, 10, 60, SPR_AIRPORT_HELIDEPOT_OFFICE | (1 << PALETTE_MODIFIER_COLOUR))  // helidepot office
 	TILE_SEQ_END()
 };
 
 // concrete underground
 static const DrawTileSeqStruct _station_display_datas_0161[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOR)) // fences east
-	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOR)) // fences south
+	TILE_SEQ_LINE( 0,  0,  0,  1, 16,  6, SPR_AIRPORT_FENCE_Y | (1 << PALETTE_MODIFIER_COLOUR)) // fences east
+	TILE_SEQ_LINE( 0, 15,  0, 16,  1,  6, SPR_AIRPORT_FENCE_X | (1 << PALETTE_MODIFIER_COLOUR)) // fences south
 	TILE_SEQ_END()
 };
 
@@ -987,29 +987,29 @@ static const DrawTileSeqStruct _station_
 
 // drive-through truck stop X
 static const DrawTileSeqStruct _station_display_datas_0168[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_X_W | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_X_E | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_X_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_X_E | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // drive-through truck stop Y
 static const DrawTileSeqStruct _station_display_datas_0169[] = {
-	TILE_SEQ_LINE(13,  0,  0,  3, 16, 16, SPR_TRUCK_STOP_DT_Y_W | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0,  3, 16, 16, SPR_TRUCK_STOP_DT_Y_E | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(13,  0,  0,  3, 16, 16, SPR_TRUCK_STOP_DT_Y_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0,  3, 16, 16, SPR_TRUCK_STOP_DT_Y_E | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // drive-through bus stop X
 static const DrawTileSeqStruct _station_display_datas_0170[] = {
-	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_BUS_STOP_DT_X_W | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_BUS_STOP_DT_X_E | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_BUS_STOP_DT_X_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_BUS_STOP_DT_X_E | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 // drive-through bus stop Y
 static const DrawTileSeqStruct _station_display_datas_0171[] = {
-	TILE_SEQ_LINE(13,  0,  0,  3,  16, 16, SPR_BUS_STOP_DT_Y_W | (1 << PALETTE_MODIFIER_COLOR))
-	TILE_SEQ_LINE( 0,  0,  0,  3,  16, 16, SPR_BUS_STOP_DT_Y_E | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(13,  0,  0,  3,  16, 16, SPR_BUS_STOP_DT_Y_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0,  0,  0,  3,  16, 16, SPR_BUS_STOP_DT_Y_E | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
@@ -1082,7 +1082,7 @@ static const DrawTileSprites _station_di
 	TILE_SPRITE_LINE(SPR_FLAT_GRASS_TILE,            _station_display_datas_51)
 	TILE_SPRITE_LINE(SPR_AIRFIELD_TERM_A,            _station_display_nothing)
 	TILE_SPRITE_LINE(SPR_AIRFIELD_TERM_B,            _station_display_nothing)
-	TILE_SPRITE_LINE(SPR_AIRFIELD_TERM_C_GROUND | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_54)
+	TILE_SPRITE_LINE(SPR_AIRFIELD_TERM_C_GROUND | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_54)
 	TILE_SPRITE_LINE(SPR_AIRFIELD_APRON_A,           _station_display_datas_55)
 	TILE_SPRITE_LINE(SPR_AIRFIELD_APRON_B,           _station_display_nothing)
 	TILE_SPRITE_LINE(SPR_AIRFIELD_APRON_C,           _station_display_nothing)
@@ -1183,19 +1183,19 @@ static const DrawTileSprites _station_di
 };
 
 static const DrawTileSprites _station_display_datas_truck[] = {
-	TILE_SPRITE_LINE(SPR_TRUCK_STOP_NE_GROUND | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_67)
-	TILE_SPRITE_LINE(SPR_TRUCK_STOP_SE_GROUND | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_68)
-	TILE_SPRITE_LINE(SPR_TRUCK_STOP_SW_GROUND | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_69)
-	TILE_SPRITE_LINE(SPR_TRUCK_STOP_NW_GROUND | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_70)
+	TILE_SPRITE_LINE(SPR_TRUCK_STOP_NE_GROUND | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_67)
+	TILE_SPRITE_LINE(SPR_TRUCK_STOP_SE_GROUND | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_68)
+	TILE_SPRITE_LINE(SPR_TRUCK_STOP_SW_GROUND | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_69)
+	TILE_SPRITE_LINE(SPR_TRUCK_STOP_NW_GROUND | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_70)
 	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_X,      _station_display_datas_0168)
 	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_Y,      _station_display_datas_0169)
 };
 
 static const DrawTileSprites _station_display_datas_bus[] = {
-	TILE_SPRITE_LINE(SPR_BUS_STOP_NE_GROUND   | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_71)
-	TILE_SPRITE_LINE(SPR_BUS_STOP_SE_GROUND   | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_72)
-	TILE_SPRITE_LINE(SPR_BUS_STOP_SW_GROUND   | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_73)
-	TILE_SPRITE_LINE(SPR_BUS_STOP_NW_GROUND   | (1 << PALETTE_MODIFIER_COLOR), _station_display_datas_74)
+	TILE_SPRITE_LINE(SPR_BUS_STOP_NE_GROUND   | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_71)
+	TILE_SPRITE_LINE(SPR_BUS_STOP_SE_GROUND   | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_72)
+	TILE_SPRITE_LINE(SPR_BUS_STOP_SW_GROUND   | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_73)
+	TILE_SPRITE_LINE(SPR_BUS_STOP_NW_GROUND   | (1 << PALETTE_MODIFIER_COLOUR), _station_display_datas_74)
 	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_X,      _station_display_datas_0170)
 	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_Y,      _station_display_datas_0171)
 };
diff --git a/src/table/track_land.h b/src/table/track_land.h
--- a/src/table/track_land.h
+++ b/src/table/track_land.h
@@ -7,24 +7,24 @@
 
 
 static const DrawTileSeqStruct _depot_gfx_NE[] = {
-	TILE_SEQ_LINE(SPR_RAIL_DEPOT_NE | (1 << PALETTE_MODIFIER_COLOR), 2, 13, 13, 1)
+	TILE_SEQ_LINE(SPR_RAIL_DEPOT_NE | (1 << PALETTE_MODIFIER_COLOUR), 2, 13, 13, 1)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _depot_gfx_SE[] = {
-	TILE_SEQ_LINE(SPR_RAIL_DEPOT_SE_1 | (1 << PALETTE_MODIFIER_COLOR),  2, 2, 1, 13)
-	TILE_SEQ_LINE(SPR_RAIL_DEPOT_SE_2 | (1 << PALETTE_MODIFIER_COLOR), 13, 2, 1, 13)
+	TILE_SEQ_LINE(SPR_RAIL_DEPOT_SE_1 | (1 << PALETTE_MODIFIER_COLOUR),  2, 2, 1, 13)
+	TILE_SEQ_LINE(SPR_RAIL_DEPOT_SE_2 | (1 << PALETTE_MODIFIER_COLOUR), 13, 2, 1, 13)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _depot_gfx_SW[] = {
-	TILE_SEQ_LINE(SPR_RAIL_DEPOT_SW_1 | (1 << PALETTE_MODIFIER_COLOR), 2,  2, 13, 1)
-	TILE_SEQ_LINE(SPR_RAIL_DEPOT_SW_2 | (1 << PALETTE_MODIFIER_COLOR), 2, 13, 13, 1)
+	TILE_SEQ_LINE(SPR_RAIL_DEPOT_SW_1 | (1 << PALETTE_MODIFIER_COLOUR), 2,  2, 13, 1)
+	TILE_SEQ_LINE(SPR_RAIL_DEPOT_SW_2 | (1 << PALETTE_MODIFIER_COLOUR), 2, 13, 13, 1)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _depot_gfx_NW[] = {
-	TILE_SEQ_LINE(SPR_RAIL_DEPOT_NW | (1 << PALETTE_MODIFIER_COLOR), 13, 2, 1, 13)
+	TILE_SEQ_LINE(SPR_RAIL_DEPOT_NW | (1 << PALETTE_MODIFIER_COLOUR), 13, 2, 1, 13)
 	TILE_SEQ_END()
 };
 
@@ -43,14 +43,14 @@ static const DrawTileSprites _depot_invi
 };
 
 static const DrawTileSeqStruct _waypoint_gfx_X[] = {
-	TILE_SEQ_LINE((1 << PALETTE_MODIFIER_COLOR) | SPR_WAYPOINT_X_1,  0,  0,  16,  5)
-	TILE_SEQ_LINE((1 << PALETTE_MODIFIER_COLOR) | SPR_WAYPOINT_X_2,  0, 11,  16,  5)
+	TILE_SEQ_LINE((1 << PALETTE_MODIFIER_COLOUR) | SPR_WAYPOINT_X_1,  0,  0,  16,  5)
+	TILE_SEQ_LINE((1 << PALETTE_MODIFIER_COLOUR) | SPR_WAYPOINT_X_2,  0, 11,  16,  5)
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _waypoint_gfx_Y[] = {
-	TILE_SEQ_LINE((1 << PALETTE_MODIFIER_COLOR) | SPR_WAYPOINT_Y_1,   0,  0, 5, 16)
-	TILE_SEQ_LINE((1 << PALETTE_MODIFIER_COLOR) | SPR_WAYPOINT_Y_2,  11,  0, 5, 16)
+	TILE_SEQ_LINE((1 << PALETTE_MODIFIER_COLOUR) | SPR_WAYPOINT_Y_1,   0,  0, 5, 16)
+	TILE_SEQ_LINE((1 << PALETTE_MODIFIER_COLOUR) | SPR_WAYPOINT_Y_2,  11,  0, 5, 16)
 	TILE_SEQ_END()
 };
 
diff --git a/src/table/unmovable_land.h b/src/table/unmovable_land.h
--- a/src/table/unmovable_land.h
+++ b/src/table/unmovable_land.h
@@ -15,54 +15,54 @@ static const DrawTileSeqStruct _unmovabl
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_8[] = {
-	TILE_SEQ_LINE(20, SPR_MEDIUMHQ_NORTH_WALL | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(20, SPR_MEDIUMHQ_NORTH_WALL | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_9[] = {
-	TILE_SEQ_LINE(20, SPR_MEDIUMHQ_EAST_WALL  | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(20, SPR_MEDIUMHQ_EAST_WALL  | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_10[] = {
-	TILE_SEQ_LINE(20, SPR_MEDIUMHQ_WEST_WALL  | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(20, SPR_MEDIUMHQ_WEST_WALL  | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_12[] = {
-	TILE_SEQ_LINE(50, SPR_LARGEHQ_NORTH_BUILD | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(50, SPR_LARGEHQ_NORTH_BUILD | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_13[] = {
-	TILE_SEQ_LINE(50, SPR_LARGEHQ_EAST_BUILD  | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(50, SPR_LARGEHQ_EAST_BUILD  | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_14[] = {
-	TILE_SEQ_LINE(50, SPR_LARGEHQ_WEST_BUILD  | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(50, SPR_LARGEHQ_WEST_BUILD  | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_16[] = {
-	TILE_SEQ_LINE(60, SPR_HUGEHQ_NORTH_BUILD  | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(60, SPR_HUGEHQ_NORTH_BUILD  | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_17[] = {
-	TILE_SEQ_LINE(60, SPR_HUGEHQ_EAST_BUILD   | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(60, SPR_HUGEHQ_EAST_BUILD   | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 static const DrawTileSeqStruct _unmovable_display_datas_18[] = {
-	TILE_SEQ_LINE(60, SPR_HUGEHQ_WEST_BUILD   | (1 << PALETTE_MODIFIER_COLOR))
+	TILE_SEQ_LINE(60, SPR_HUGEHQ_WEST_BUILD   | (1 << PALETTE_MODIFIER_COLOUR))
 	TILE_SEQ_END()
 };
 
 #undef TILE_SEQ_LINE
 #undef TILE_SEQ_END
 
-#define TILE_SPRITE_LINE(img, dtss) { {img | (1 << PALETTE_MODIFIER_COLOR), PAL_NONE}, dtss },
+#define TILE_SPRITE_LINE(img, dtss) { {img | (1 << PALETTE_MODIFIER_COLOUR), PAL_NONE}, dtss },
 
 static const DrawTileSprites _unmovable_display_datas[] = {
 	TILE_SPRITE_LINE(SPR_TINYHQ_NORTH,         _unmovable_display_nothing)
diff --git a/src/table/water_land.h b/src/table/water_land.h
--- a/src/table/water_land.h
+++ b/src/table/water_land.h
@@ -17,27 +17,27 @@ struct WaterDrawTileStruct {
 
 static const WaterDrawTileStruct _shipdepot_display_seq_1[] = {
 	BEGIN(0xFDD),
-	{ 0, 15, 0, 16, 1, 0x14, 0xFE8 | (1 << PALETTE_MODIFIER_COLOR) },
+	{ 0, 15, 0, 16, 1, 0x14, 0xFE8 | (1 << PALETTE_MODIFIER_COLOUR) },
 	END(0)
 };
 
 static const WaterDrawTileStruct _shipdepot_display_seq_2[] = {
 	BEGIN(0xFDD),
 	{ 0,  0, 0, 16, 1, 0x14, 0xFEA },
-	{ 0, 15, 0, 16, 1, 0x14, 0xFE6 | (1 << PALETTE_MODIFIER_COLOR) },
+	{ 0, 15, 0, 16, 1, 0x14, 0xFE6 | (1 << PALETTE_MODIFIER_COLOUR) },
 	END(0)
 };
 
 static const WaterDrawTileStruct _shipdepot_display_seq_3[] = {
 	BEGIN(0xFDD),
-	{ 15, 0, 0, 1, 0x10, 0x14, 0xFE9 | (1 << PALETTE_MODIFIER_COLOR) },
+	{ 15, 0, 0, 1, 0x10, 0x14, 0xFE9 | (1 << PALETTE_MODIFIER_COLOUR) },
 	END(0)
 };
 
 static const WaterDrawTileStruct _shipdepot_display_seq_4[] = {
 	BEGIN(0xFDD),
 	{  0, 0, 0, 1, 16, 0x14, 0xFEB },
-	{ 15, 0, 0, 1, 16, 0x14, 0xFE7 | (1 << PALETTE_MODIFIER_COLOR) },
+	{ 15, 0, 0, 1, 16, 0x14, 0xFE7 | (1 << PALETTE_MODIFIER_COLOUR) },
 	END(0)
 };
 
diff --git a/src/texteff.hpp b/src/texteff.hpp
--- a/src/texteff.hpp
+++ b/src/texteff.hpp
@@ -27,8 +27,8 @@ void UpdateTextEffect(TextEffectID effec
 void RemoveTextEffect(TextEffectID effect_id);
 
 /* misc_gui.cpp */
-TextEffectID ShowFillingPercent(int x, int y, int z, uint8 percent, StringID color);
-void UpdateFillingPercent(TextEffectID te_id, uint8 percent, StringID color);
+TextEffectID ShowFillingPercent(int x, int y, int z, uint8 percent, StringID colour);
+void UpdateFillingPercent(TextEffectID te_id, uint8 percent, StringID colour);
 void HideFillingPercent(TextEffectID *te_id);
 
 #endif /* TEXTEFF_HPP */
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -272,8 +272,8 @@ void TrainConsistChanged(Vehicle *v, boo
 		/* Cache wagon override sprite group. NULL is returned if there is none */
 		u->u.rail.cached_override = GetWagonOverrideSpriteSet(u->engine_type, u->cargo_type, u->u.rail.first_engine);
 
-		/* Reset color map */
-		u->colormap = PAL_NONE;
+		/* Reset colour map */
+		u->colourmap = PAL_NONE;
 
 		if (rvi_u->visual_effect != 0) {
 			u->u.rail.cached_vis_effect = rvi_u->visual_effect;
diff --git a/src/unmovable_cmd.cpp b/src/unmovable_cmd.cpp
--- a/src/unmovable_cmd.cpp
+++ b/src/unmovable_cmd.cpp
@@ -202,14 +202,14 @@ static void DrawTile_Unmovable(TileInfo 
 
 			if (IsInvisibilitySet(TO_STRUCTURES)) break;
 
-			AddSortableSpriteToDraw(SPR_STATUE_COMPANY, COMPANY_SPRITE_COLOR(GetTileOwner(ti->tile)), ti->x, ti->y, 16, 16, 25, ti->z, IsTransparencySet(TO_STRUCTURES));
+			AddSortableSpriteToDraw(SPR_STATUE_COMPANY, COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile)), ti->x, ti->y, 16, 16, 25, ti->z, IsTransparencySet(TO_STRUCTURES));
 			break;
 
 		case UNMOVABLE_OWNED_LAND:
 			DrawClearLandTile(ti, 0);
 
 			AddSortableSpriteToDraw(
-				SPR_BOUGHT_LAND, COMPANY_SPRITE_COLOR(GetTileOwner(ti->tile)),
+				SPR_BOUGHT_LAND, COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile)),
 				ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, BB_HEIGHT_UNDER_BRIDGE, GetSlopeZ(ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2)
 			);
 			DrawBridgeMiddle(ti);
@@ -219,7 +219,7 @@ static void DrawTile_Unmovable(TileInfo 
 			assert(IsCompanyHQ(ti->tile));
 			if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
 
-			SpriteID palette = COMPANY_SPRITE_COLOR(GetTileOwner(ti->tile));
+			SpriteID palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
 
 			const DrawTileSprites *t = &_unmovable_display_datas[GetCompanyHQSize(ti->tile) << 2 | GetCompanyHQSection(ti->tile)];
 			DrawGroundSprite(t->ground.sprite, palette);
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -211,7 +211,7 @@ Vehicle::Vehicle()
 	this->group_id           = DEFAULT_GROUP;
 	this->fill_percent_te_id = INVALID_TE_ID;
 	this->first              = this;
-	this->colormap           = PAL_NONE;
+	this->colourmap           = PAL_NONE;
 }
 
 /**
@@ -480,10 +480,10 @@ void ResetVehiclePosHash()
 	memset(_new_vehicle_position_hash, 0, sizeof(_new_vehicle_position_hash));
 }
 
-void ResetVehicleColorMap()
+void ResetVehicleColourMap()
 {
 	Vehicle *v;
-	FOR_ALL_VEHICLES(v) { v->colormap = PAL_NONE; }
+	FOR_ALL_VEHICLES(v) { v->colourmap = PAL_NONE; }
 }
 
 /**
@@ -870,7 +870,7 @@ void CheckVehicle32Day(Vehicle *v)
 	uint16 callback = GetVehicleCallback(CBID_VEHICLE_32DAY_CALLBACK, 0, 0, v->engine_type, v);
 	if (callback == CALLBACK_FAILED) return;
 	if (HasBit(callback, 0)) TriggerVehicle(v, VEHICLE_TRIGGER_CALLBACK_32); // Trigger vehicle trigger 10
-	if (HasBit(callback, 1)) v->colormap = PAL_NONE;                         // Update colormap via callback 2D
+	if (HasBit(callback, 1)) v->colourmap = PAL_NONE;                         // Update colourmap via callback 2D
 }
 
 void DecreaseVehicleValue(Vehicle *v)
@@ -1372,10 +1372,10 @@ CommandCost SendAllVehiclesToDepot(Vehic
 /**
  * Calculates how full a vehicle is.
  * @param v The Vehicle to check. For trains, use the first engine.
- * @param color The string to show depending on if we are unloading or loading
+ * @param colour The string to show depending on if we are unloading or loading
  * @return A percentage of how full the Vehicle is.
  */
-uint8 CalcPercentVehicleFilled(const Vehicle *v, StringID *color)
+uint8 CalcPercentVehicleFilled(const Vehicle *v, StringID *colour)
 {
 	int count = 0;
 	int max = 0;
@@ -1390,20 +1390,20 @@ uint8 CalcPercentVehicleFilled(const Veh
 	for (; v != NULL; v = v->Next()) {
 		count += v->cargo.Count();
 		max += v->cargo_cap;
-		if (v->cargo_cap != 0 && color != NULL) {
+		if (v->cargo_cap != 0 && colour != NULL) {
 			unloading += HasBit(v->vehicle_flags, VF_CARGO_UNLOADING) ? 1 : 0;
 			loading |= !(u->current_order.GetUnloadType() & OUFB_UNLOAD) && st->goods[v->cargo_type].days_since_pickup != 255;
 			cars++;
 		}
 	}
 
-	if (color != NULL) {
+	if (colour != NULL) {
 		if (unloading == 0 && loading) {
-			*color = STR_PERCENT_UP;
+			*colour = STR_PERCENT_UP;
 		} else if (cars == unloading || !loading) {
-			*color = STR_PERCENT_DOWN;
+			*colour = STR_PERCENT_DOWN;
 		} else {
-			*color = STR_PERCENT_UP_DOWN;
+			*colour = STR_PERCENT_UP_DOWN;
 		}
 	}
 
@@ -1908,7 +1908,7 @@ const Livery *GetEngineLivery(EngineID e
 
 static SpriteID GetEngineColourMap(EngineID engine_type, CompanyID company, EngineID parent_engine_type, const Vehicle *v)
 {
-	SpriteID map = (v != NULL) ? v->colormap : PAL_NONE;
+	SpriteID map = (v != NULL) ? v->colourmap : PAL_NONE;
 
 	/* Return cached value if any */
 	if (map != PAL_NONE) return map;
@@ -1916,7 +1916,7 @@ static SpriteID GetEngineColourMap(Engin
 	/* Check if we should use the colour map callback */
 	if (HasBit(EngInfo(engine_type)->callbackmask, CBM_VEHICLE_COLOUR_REMAP)) {
 		uint16 callback = GetVehicleCallback(CBID_VEHICLE_COLOUR_MAPPING, 0, 0, engine_type, v);
-		/* A return value of 0xC000 is stated to "use the default two-color
+		/* A return value of 0xC000 is stated to "use the default two-colour
 		 * maps" which happens to be the failure action too... */
 		if (callback != CALLBACK_FAILED && callback != 0xC000) {
 			map = GB(callback, 0, 14);
@@ -1924,7 +1924,7 @@ static SpriteID GetEngineColourMap(Engin
 			 * map else it's returned as-is. */
 			if (!HasBit(callback, 14)) {
 				/* Update cache */
-				if (v != NULL) ((Vehicle*)v)->colormap = map;
+				if (v != NULL) ((Vehicle*)v)->colourmap = map;
 				return map;
 			}
 		}
@@ -1932,7 +1932,7 @@ static SpriteID GetEngineColourMap(Engin
 
 	bool twocc = HasBit(EngInfo(engine_type)->misc_flags, EF_USES_2CC);
 
-	if (map == PAL_NONE) map = twocc ? (SpriteID)SPR_2CCMAP_BASE : (SpriteID)PALETTE_RECOLOR_START;
+	if (map == PAL_NONE) map = twocc ? (SpriteID)SPR_2CCMAP_BASE : (SpriteID)PALETTE_RECOLOUR_START;
 
 	const Livery *livery = GetEngineLivery(engine_type, company, parent_engine_type, v);
 
@@ -1940,7 +1940,7 @@ static SpriteID GetEngineColourMap(Engin
 	if (twocc) map += livery->colour2 * 16;
 
 	/* Update cache */
-	if (v != NULL) ((Vehicle*)v)->colormap = map;
+	if (v != NULL) ((Vehicle*)v)->colourmap = map;
 	return map;
 }
 
diff --git a/src/vehicle_base.h b/src/vehicle_base.h
--- a/src/vehicle_base.h
+++ b/src/vehicle_base.h
@@ -239,7 +239,7 @@ public:
 	Vehicle *next_new_hash;
 	Vehicle **old_new_hash;
 
-	SpriteID colormap; // NOSAVE: cached color mapping
+	SpriteID colourmap; // NOSAVE: cached colour mapping
 
 	/* Related to age and service time */
 	Year build_year;
diff --git a/src/vehicle_func.h b/src/vehicle_func.h
--- a/src/vehicle_func.h
+++ b/src/vehicle_func.h
@@ -32,12 +32,12 @@ void FindVehicleOnPosXY(int x, int y, vo
 bool HasVehicleOnPos(TileIndex tile, void *data, VehicleFromPosProc *proc);
 bool HasVehicleOnPosXY(int x, int y, void *data, VehicleFromPosProc *proc);
 void CallVehicleTicks();
-uint8 CalcPercentVehicleFilled(const Vehicle *v, StringID *color);
+uint8 CalcPercentVehicleFilled(const Vehicle *v, StringID *colour);
 
 void InitializeTrains();
 byte VehicleRandomBits();
 void ResetVehiclePosHash();
-void ResetVehicleColorMap();
+void ResetVehicleColourMap();
 
 bool CanRefitTo(EngineID engine_type, CargoID cid_to);
 CargoID FindFirstRefittableCargo(EngineID engine_type);
diff --git a/src/vehicle_gui.cpp b/src/vehicle_gui.cpp
--- a/src/vehicle_gui.cpp
+++ b/src/vehicle_gui.cpp
@@ -112,7 +112,7 @@ void DrawVehicleProfitButton(const Vehic
 {
 	SpriteID pal;
 
-	/* draw profit-based colored icons */
+	/* draw profit-based coloured icons */
 	if (v->age <= DAYS_IN_YEAR * 2) {
 		pal = PALETTE_TO_GREY;
 	} else if (v->GetDisplayProfitLastYear() < 0) {
diff --git a/src/viewport.cpp b/src/viewport.cpp
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -48,8 +48,8 @@ Point _tile_fract_coords;
 ZoomLevel _saved_scrollpos_zoom;
 
 struct StringSpriteToDraw {
-	uint16 string;
-	uint16 color;
+	StringID string;
+	uint16 colour;
 	int32 x;
 	int32 y;
 	uint64 params[2];
@@ -733,7 +733,7 @@ void AddChildSpriteScreen(SpriteID image
 }
 
 /* Returns a StringSpriteToDraw */
-void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, uint16 color, uint16 width)
+void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, uint16 colour, uint16 width)
 {
 	StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
 	ss->string = string;
@@ -742,7 +742,7 @@ void AddStringToDraw(int x, int y, Strin
 	ss->params[0] = params_1;
 	ss->params[1] = params_2;
 	ss->width = width;
-	ss->color = color;
+	ss->colour = colour;
 }
 
 
@@ -1440,7 +1440,7 @@ static void ViewportDrawStrings(DrawPixe
 		 * or if we are drawing a general text sign (STR_2806) */
 			if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_2806) {
 				DrawFrameRect(
-					x, y, x + w, bottom, ss->color,
+					x, y, x + w, bottom, (Colours)ss->colour,
 					IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
 				);
 			}
@@ -1449,11 +1449,11 @@ static void ViewportDrawStrings(DrawPixe
 		SetDParam(0, ss->params[0]);
 		SetDParam(1, ss->params[1]);
 		/* if we didn't draw a rectangle, or if transparant building is on,
-		 * draw the text in the color the rectangle would have */
+		 * draw the text in the colour the rectangle would have */
 		if (IsTransparencySet(TO_SIGNS) && ss->string != STR_2806 && ss->width != 0) {
-			/* Real colors need the IS_PALETTE_COLOR flag
-			 * otherwise colors from _string_colormap are assumed. */
-			colour = (TextColour)_colour_gradient[ss->color][6] | IS_PALETTE_COLOR;
+			/* Real colours need the IS_PALETTE_COLOUR flag
+			 * otherwise colours from _string_colourmap are assumed. */
+			colour = (TextColour)_colour_gradient[ss->colour][6] | IS_PALETTE_COLOUR;
 		} else {
 			colour = TC_BLACK;
 		}
diff --git a/src/viewport_func.h b/src/viewport_func.h
--- a/src/viewport_func.h
+++ b/src/viewport_func.h
@@ -36,7 +36,7 @@ void OffsetGroundSprite(int x, int y);
 void DrawGroundSprite(SpriteID image, SpriteID pal, const SubSprite *sub = NULL);
 void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub = NULL);
 void AddSortableSpriteToDraw(SpriteID image, SpriteID pal, int x, int y, int w, int h, int dz, int z, bool transparent = false, int bb_offset_x = 0, int bb_offset_y = 0, int bb_offset_z = 0, const SubSprite *sub = NULL);
-void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, uint16 color = 0, uint16 width = 0);
+void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, uint16 colour = 0, uint16 width = 0);
 void AddChildSpriteScreen(SpriteID image, SpriteID pal, int x, int y, bool transparent = false, const SubSprite *sub = NULL);
 
 
diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -650,7 +650,7 @@ static void DrawTile_Water(TileInfo *ti)
 
 		case WATER_TILE_DEPOT:
 			DrawWaterClassGround(ti);
-			DrawWaterStuff(ti, _shipdepot_display_seq[GetSection(ti->tile)], COMPANY_SPRITE_COLOR(GetTileOwner(ti->tile)), 0, false);
+			DrawWaterStuff(ti, _shipdepot_display_seq[GetSection(ti->tile)], COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile)), 0, false);
 			break;
 	}
 }
@@ -663,7 +663,7 @@ void DrawShipDepotSprite(int x, int y, i
 
 	for (; wdts->delta_x != 0x80; wdts++) {
 		Point pt = RemapCoords(wdts->delta_x, wdts->delta_y, wdts->delta_z);
-		DrawSprite(wdts->image, COMPANY_SPRITE_COLOR(_local_company), x + pt.x, y + pt.y);
+		DrawSprite(wdts->image, COMPANY_SPRITE_COLOUR(_local_company), x + pt.x, y + pt.y);
 	}
 }
 
diff --git a/src/widget.cpp b/src/widget.cpp
--- a/src/widget.cpp
+++ b/src/widget.cpp
@@ -166,7 +166,7 @@ int GetWidgetFromPos(const Window *w, in
  * @param colour Colour table to use. @see _colour_gradient
  * @param flags  Flags controlling how to draw the frame. @see FrameFlags
  */
-void DrawFrameRect(int left, int top, int right, int bottom, int colour, FrameFlags flags)
+void DrawFrameRect(int left, int top, int right, int bottom, Colours colour, FrameFlags flags)
 {
 	uint dark         = _colour_gradient[colour][3];
 	uint medium_dark  = _colour_gradient[colour][5];
@@ -174,7 +174,7 @@ void DrawFrameRect(int left, int top, in
 	uint light        = _colour_gradient[colour][7];
 
 	if (flags & FR_TRANSPARENT) {
-		GfxFillRect(left, top, right, bottom, PALETTE_TO_TRANSPARENT, FILLRECT_RECOLOR);
+		GfxFillRect(left, top, right, bottom, PALETTE_TO_TRANSPARENT, FILLRECT_RECOLOUR);
 	} else {
 		uint interior;
 
diff --git a/src/window.cpp b/src/window.cpp
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -630,7 +630,7 @@ void ChangeWindowOwner(Owner old_owner, 
 		if (w->owner != old_owner) continue;
 
 		switch (w->window_class) {
-			case WC_COMPANY_COLOR:
+			case WC_COMPANY_COLOUR:
 			case WC_FINANCES:
 			case WC_STATION_LIST:
 			case WC_TRAINS_LIST:
diff --git a/src/window_func.h b/src/window_func.h
--- a/src/window_func.h
+++ b/src/window_func.h
@@ -19,7 +19,7 @@ int PositionMainToolbar(Window *w);
 void InitWindowSystem();
 void UnInitWindowSystem();
 void ResetWindowSystem();
-void SetupColorsAndInitialWindow();
+void SetupColoursAndInitialWindow();
 void InputLoop();
 
 void InvalidateThisWindowData(Window *w, int data = 0);
diff --git a/src/window_gui.h b/src/window_gui.h
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -21,14 +21,14 @@ enum FrameFlags {
 	FR_NONE         =  0,
 	FR_TRANSPARENT  =  1 << 0,  ///< Makes the background transparent if set
 	FR_BORDERONLY   =  1 << 4,  ///< Draw border only, no background
-	FR_LOWERED      =  1 << 5,  ///< If set the frame is lowered and the background color brighter (ie. buttons when pressed)
-	FR_DARKENED     =  1 << 6,  ///< If set the background is darker, allows for lowered frames with normal background color when used with FR_LOWERED (ie. dropdown boxes)
+	FR_LOWERED      =  1 << 5,  ///< If set the frame is lowered and the background colour brighter (ie. buttons when pressed)
+	FR_DARKENED     =  1 << 6,  ///< If set the background is darker, allows for lowered frames with normal background colour when used with FR_LOWERED (ie. dropdown boxes)
 };
 
 DECLARE_ENUM_AS_BIT_SET(FrameFlags);
 
 /* wiget.cpp */
-void DrawFrameRect(int left, int top, int right, int bottom, int color, FrameFlags flags);
+void DrawFrameRect(int left, int top, int right, int bottom, Colours colour, FrameFlags flags);
 
 /**
  * High level window description
diff --git a/src/window_type.h b/src/window_type.h
--- a/src/window_type.h
+++ b/src/window_type.h
@@ -40,7 +40,7 @@ enum WindowClass {
 	WC_BUILD_DEPOT,
 	WC_COMPANY,
 	WC_FINANCES,
-	WC_COMPANY_COLOR,
+	WC_COMPANY_COLOUR,
 	WC_QUERY_STRING,
 	WC_SAVELOAD,
 	WC_SELECT_GAME,