diff --git a/src/main_gui.cpp b/src/main_gui.cpp
--- a/src/main_gui.cpp
+++ b/src/main_gui.cpp
@@ -541,7 +541,7 @@ void ShowSelectGameWindow();
 void SetupColoursAndInitialWindow()
 {
 	for (Colours i = COLOUR_BEGIN; i != COLOUR_END; i++) {
-		const byte *b = GetNonSprite(GENERAL_SPRITE_COLOUR(i), SpriteType::Recolour);
+		const byte *b = GetNonSprite(GENERAL_SPRITE_COLOUR(i), SpriteType::Recolour) + 1;
 		assert(b != nullptr);
 		for (ColourShade j = SHADE_BEGIN; j < SHADE_END; j++) {
 			SetColourGradient(i, j, b[0xC6 + j]);
diff --git a/src/palette_func.h b/src/palette_func.h
--- a/src/palette_func.h
+++ b/src/palette_func.h
@@ -42,13 +42,14 @@ TextColour GetContrastColour(uint8_t bac
 
 enum ColourShade : uint8_t {
 	SHADE_BEGIN = 0,
-	SHADE_DARKEST,
+	SHADE_DARKEST = SHADE_BEGIN,
 	SHADE_DARKER,
 	SHADE_DARK,
 	SHADE_NORMAL,
 	SHADE_LIGHT,
 	SHADE_LIGHTER,
 	SHADE_LIGHTEST,
+	SHADE_LIGHTEREST,
 	SHADE_END,
 };
 DECLARE_POSTFIX_INCREMENT(ColourShade)