What does the Young-Helmholtz theory fail to explain?
A) how many color receptors humans have
B) how we discriminate between lights of different wavelengths
C) why yellow looks like a primary color but is not considered to be one
D) the Young-Helmholtz theory is remarkably comprehensive; with regard to its scope, no questions remain unanswered

Question

Quizplus · Accepted Answer

The Young-Helmholtz theory explains how the three types of color receptors in the human eye combine to produce the perception of color, but it does not explain why some colors (such as yellow) appear to be primary colors even though they are not.

What Does the Young-Helmholtz Theory Fail to Explain