![]() ![]() The science of color is sometimes called chromatics, colorimetry, or simply color science. These physical or physiological quantifications of color, however, do not fully explain the psychophysical perception of color appearance. By defining a color space colors can be identified numerically by their coordinates.īecause perception of color stems from the varying spectral sensitivity of different types of cone cells in the retina to different parts of the spectrum, colors may be defined and quantified by the degree to which they stimulate these cells. Color categories and physical specifications of color are also associated with objects or materials based on their physical properties such as light absorption, reflection, or emission spectra. Color derives from the spectrum of light (distribution of light power versus wavelength) interacting in the eye with the spectral sensitivities of the light receptors. In this optical illusion, the two small squares have exactly the same color, but the right one looks slightly darker.Ĭolor ( American English) or colour ( Commonwealth English) is the visual perceptual property corresponding in humans to the categories called blue, green, red, etc. ![]() Colors can appear different depending on their surrounding colors and shapes. ![]()
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