A basic problem with the trichromatic theory is that
A) color cannot be analyzed into "either-or" messages.
B) only two types of light-sensitive visual pigments have been found in the retina.
C) four colors seem to be primary (cannot get them by mixing other colors).
D) it only explains events recorded in the optic pathways after information leaves the eyes.

Question

Quizplus · Accepted Answer

The trichromatic theory suggests that all colors can be derived from three primary colors, but it struggles to explain why four colors (red, green, blue, and yellow) are perceived as primary, which is better explained by the opponent-process theory.

A Basic Problem with the Trichromatic Theory Is That