filter = gameboy4x

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

gameboy4x_palette_0    = 0x0C360C
gameboy4x_palette_1    = 0x2C6234
gameboy4x_palette_2    = 0x6E870A
gameboy4x_palette_3    = 0x9CBE0C
gameboy4x_palette_grid = 0xA3C70D