How to play
Pick any colour on the spectrum, then try to match it by adding drops of red, yellow, blue and white. When you think you're close, check your mix: you get a match score (90% or better wins) and a tip on what to change. Then see the real-paint recipe for that colour.
Why it makes you a better painter
Matching a colour by eye is the core skill of mixing paint. The game uses the same pigment physics as real paint, so the instincts you build here carry straight to the palette: how much stronger blue is than yellow, why a dull colour needs its complement and not black, and how fast white takes a colour pale.