Color (752)

afterimage associations brain caused cell channel characteristics chromaticity colors combination cone constancy depends device diagram distinguish emit emitted gamut helmholtz hue humans illumination intensity leaving media mixture monochromatic nm object objects opponent orange perceive perceived perception phenomenon physics pigment processing properties pure receptor reflect reflected reproduced reproduction response retina retinal rod scene science scientists sensation sensitive source species spectra spectral spectrum structural tetrachromacy trichromatic tristimulus viewing vision visual wavelength yellow