Red-green and yellow-blue are the so-called "forbidden colors." Composed of pairs of hues whose light frequencies automatically cancel each other out in the human eye, they're supposed to be ...

Similarly, mixing the primary colors with their adjacent secondary colors results in six tertiary hues: red-orange, yellow-orange, yellow-green, blue-green, blue-purple, and red-purple. A classical ...

The commonly used primary colors for additive mixing are red, green (instead of yellow) and blue (which are the color ranges that your three different cone types are most sensitive to).

If a language has four color terms, they will be black, white, red and either yellow or green. In the next stage, both yellow and green are present, while the next color terms to be added are blue ...

Whereas a human with full color vision sees red, orange, yellow, green, blue and violet along the spectrum of visible light, a dog sees grayish brown, dark yellow, light yellow, grayish yellow ...