Primary color - Wikipedia
Why are Red, Green, and Blue the primary colors of light? - Photography Stack Exchange
Why are red, yellow, and blue the primary colors in painting but computer screens use red, green, and blue?
Is there a color system in which Red, Yellow, and Blue are primary colors? - Graphic Design Stack Exchange
Color
Color Theory - Understanding the 7 fundamentals of color
Why do schools incorrectly teach the primary colours of subtractive colour mixing as red, yellow and blue, rather than cyan, magenta & yellow? - Quora
Everything you know about color theory is a lie by Dayton Fenwick
Color Theory, How to Use the Color Wheel for Your Designs
Color Wheels and Triads
In science class they told us that the primary colors are blue, green and red. But in art class they told us that the primary colors are blue, yellow and red. Why
Why are red, yellow, and blue the primary colors in painting but computer screens use red, green, and blue?