R27.CREATIVELAB / Blogspot

Extract:

I’m constantly amazed by the lack of respect that exists for the red, yellow, and blue primary color wheel. I’ve heard people call it invalid, archaic, and a kindergarten tool. It’s true that the red, yellow, and blue color wheel is not a scientifically accurate model of the perception of light. Many people want to eliminate the red, yellow, and blue color wheel from art curricula, and establish the CMYK (cyan, magenta, yellow, and black) color wheel, shown in Figure 1, “The CMYK color wheel”, as the universal color model. Note that the secondary colors in the CMYK color wheel are red, green, and blue, meaning that we could use the CMYK to illustrate both additive (using light) and subtractive (on paper) color.