filter = gameboy4x

# Colour format: 0xRRGGBB
# 0 is darkest, 3 is lightest
# Only works with 4 shade greyscale content

gameboy4x_palette_0    = 0x00420C
gameboy4x_palette_1    = 0x005121
gameboy4x_palette_2    = 0x317400
gameboy4x_palette_3    = 0x578200
gameboy4x_palette_grid = 0x5C8A00