Color

Color

Color or colour (see spelling differences) is the visual perceptual property corresponding in humans to the categories called red, green, blue, and others. 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. Color categories and physical specifications of color are also associated with objects, materials, light sources, etc., based on their physical properties such as light absorption, reflection, or emission spectra. By defining a color space, colors can be identified numerically by their coordinates.

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Famous quotes containing the word color:

    To face the garment of rebellion
    With some fine color that may please the eye
    Of fickle changelings and poor discontents.
    Which gape and rub the elbow at the news
    Of hurly-burly innovation.
    William Shakespeare (1564–1616)

    Since the quarrel
    Will bear no color for the thing he is,
    Fashion it thus: that what he is, augmented,
    Would run to these and these extremities.
    William Shakespeare (1564–1616)