The trichromatic theory has difficulty explaining:
A)Why red,blue,and green light produce gray when combined
B)The negative color aftereffect
C)Why blue is a pure color
D)Why red,blue,and green light produce white when combined

Question

Quizplus · Accepted Answer

The trichromatic theory, which posits that the human eye has three types of receptors sensitive to red, green, and blue light, struggles to explain the negative color aftereffect because this phenomenon is better accounted for by the opponent-process theory, which suggests that color perception is controlled by the activity of two opponent systems: a blue-yellow mechanism and a red-green mechanism.

The Trichromatic Theory Has Difficulty Explaining