Color is a feature of visual perception by an observer. There is a complex relationship between the wavelengths of light in the visual spectrum and human experiences of color.
Is color just a perception?
Color is perception, and this picture drives that home. It makes us consider something altogether nonintuitive: that there's no such thing as white or gold or blue or black. “A color only exists in your head,” Lotto said. “There's such a thing as light.
What is the perception of color called?
Yet the eye and brain are such superb systems that they are able to compensate for such differences, and normal-appearing colours are perceived, a phenomenon called colour constancy.