According to Helmholtz's trichromatic theory, which of the following colors does not correspond to a color receptor in the retina?
A) yellow
B) blue
C) red
D) green

Question

Quizplus · Accepted Answer

According to Helmholtz's trichromatic theory, the three color receptors in the retina are sensitive to red, green, and blue light wavelengths. Therefore, yellow (which is a combination of red and green) does not have its own corresponding receptor, but is rather perceived through a combination of the signals from the red and green receptors.

According to Helmholtz's Trichromatic Theory, Which of the Following Colors