Mixed from three paints: Lemon Yellow, Cadmium Red and Ultramarine Blue.
Drag a bar to change how much of that paint goes in, and watch the colour change at the top.
Parts are a ratio: a drop, a spoonful, whatever suits the amount you need.
Metallic shine needs mica or metal pigment; no mix of ordinary paint will catch the light. This is the flat colour underneath, the base painters use before adding highlights.
The library and every recipe here are mixed from just these.