Final answer:
Color vision is made possible by three types of color-sensitive cones in the eye, which are sensitive to different ranges of wavelengths of light. These cones correspond to the three primary colors - red, green, and blue - and various combinations of these colors produce all the hues we perceive.
Step-by-step explanation:
Color vision is made possible through the presence of three types of color-sensitive cones in the eye. These cones are sensitive to different ranges of wavelengths of light.
A simplified theory of color vision states that there are three primary colors, corresponding to the three types of cones.
These primary colors are red, green, and blue, and various combinations of these colors can produce all the different hues we perceive.