Additional kinds of cones expand the range of colors which can be perceived.
Work Step by Step
See Fig. 44.19 for the different curves related to sensitivity to different colors. They result from the presence of different kinds of cones.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.