this post was submitted on 05 May 2024
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Red/yellow/blue are the primary colors for paints (as distinct from dyes/pigments, that’s CMY(k) and as distinct from light, that’s RGB).
Why would paints have a different primary palette than dyes or pigments? They're all subtractive, so the primary colors are CMY.
The red/yellow/blue is a lie!
Are you asking me why is paint the way it is? I don’t know, take it up with nature, but stop spreading misinformation.
I'm saying that, with respect to color reproduction, paints work exactly the same as dyes and pigments. You can't make magenta paint from red, blue, and yellow. So the "primary colors" of paint are actually CMY.
Yeah it’s just historically been very difficult to make magenta and cyan paints so ryb has stood in for cmy