Final answer:
Color constancy is the ability to perceive colors in different conditions and see consistency in color. It is a function of the eye-brain color-sensing system.
Step-by-step explanation:
The ability to identify the difference between colors is a part of visual perception known as color constancy. It is a function of the eye-brain color-sensing system that allows people to perceive colors in various conditions and see some consistency in color. For example, by comparing various objects in its view, the eye-brain system can perceive the true color of an object under varying lighting conditions.