Retro palette

Controls

hardware

Which machine’s colours the picture is forced into: Game Boy green, CGA cyan and magenta, the C64 sixteen

match by

How a colour finds its nearest neighbour in the palette: by colour, or by brightness alone. The second keeps the tones and drops the hues

dither

Mixes noise into the tone before matching, so a flat area breaks into two palette colours instead of one hard band

contrast

A number from -1 to 1, 0 by default.