People with normal colour vision typically have three different types of cones on the retina. Which theory of colour perception is supported by this evidence?

Question

Quizplus · Accepted Answer

The fact that people with normal colour vision have three different types of cones on the retina supports the trichromatic theory. This theory proposes that there are three different types of cones that are each sensitive to different wavelengths of light (red, green, and blue), and that all the colours we see are a result of combinations of these three primary colours.

People with Normal Colour Vision Typically Have Three Different Types