diff --git a/src/gfx_func.h b/src/gfx_func.h
--- a/src/gfx_func.h
+++ b/src/gfx_func.h
@@ -190,6 +190,7 @@ extern bool _palette_remap_grf[];
 #define GREY_SCALE(level) (level)
 
 static const uint8 PC_BLACK              = GREY_SCALE(1);  ///< Black palette colour.
+static const uint8 PC_DARK_GREY          = GREY_SCALE(6);  ///< Dark grey palette colour.
 static const uint8 PC_GREY               = GREY_SCALE(10); ///< Grey palette colour.
 static const uint8 PC_WHITE              = GREY_SCALE(15); ///< White palette colour.
 
@@ -197,6 +198,10 @@ static const uint8 PC_VERY_DARK_RED     
 static const uint8 PC_DARK_RED           = 0xB4;           ///< Dark red palette colour.
 static const uint8 PC_RED                = 0xB8;           ///< Red palette colour.
 
+static const uint8 PC_VERY_DARK_BROWN    = 0x56;           ///< Almost-black brown palette colour.
+
+static const uint8 PC_ORANGE             = 0xC2;           ///< Orange palette colour.
+
 static const uint8 PC_YELLOW             = 0xBF;           ///< Yellow palette colour.
 static const uint8 PC_LIGHT_YELLOW       = 0x44;           ///< Light yellow palette colour.
 static const uint8 PC_VERY_LIGHT_YELLOW  = 0x45;           ///< Almost-white yellow palette colour.
@@ -204,5 +209,6 @@ static const uint8 PC_VERY_LIGHT_YELLOW 
 static const uint8 PC_GREEN              = 0xD0;           ///< Green palette colour.
 
 static const uint8 PC_DARK_BLUE          = 0x9D;           ///< Dark blue palette colour.
+static const uint8 PC_LIGHT_BLUE         = 0x98;           ///< Light blue palette colour.
 
 #endif /* GFX_FUNC_H */