Paul Kubelka and Franz Munk accurately recreated these visuals and were the first to predict the behavior of paint mixtures ...
Mixbox is a practical library for paint-like color mixing Treats colors as pigments ... GLSL and more I vaguely remember someone (game design legend Bennett Foddy?) trying to explain the gradient ...
[Jens] has just the thing. He built a color-mixing toy that looks great and we’d bet you have everything on-hand necessary to build your own version. The body of the toy is an old router case.