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The ability to perceive color.

Color vision is a function of the brain's ability to interpret the complex way in which light is reflected off every object in nature. What the human eye sees as color is not a quality of an object itself, nor a quality of the light reflected off the object; it is actually an effect of the stimulation of different parts of the brain's visual system by the varying wavelengths of light.

Each of three types of light receptors called cones, located in the retina of the eye, recognizes certain ranges of wavelengths of light as blue, green, or red. From the cones, color signals pass via neurons along the visual pathway where they are mixed and matched to create the