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"color," Old English hiw "color, form, appearance, beauty," earlier heow, hiow, from Proto-Germanic *hiwam (cf. Old Norse hy "bird's down," Swedish hy "skin, complexion," Gothic hiwi "form, appearance"), from PIE *kei-, a color adjective of broad application (cf. Sanskrit chawi "hide, skin, complexion, color, beauty, splendor," Lithuanian šyvas "white"). A common word in Old English, squeezed into obscurity after c.1600 by color, but revived 1850s in chemistry and chromatography.
"a shouting," mid-13c., from Old French hue "outcry, noise, war or hunting cry," probably of imitative origin. Hue and cry is late 13c. as an Anglo-French legal term meaning "outcry calling for pursuit of a felon." Extended sense of "cry of alarm" is 1580s.
The property of colors by which they are seen as ranging from red through orange, yellow, green, blue, indigo, and violet, as determined by the dominant wavelength of the light. Compare saturation, value.
(Or "tint") The coordinate in the HSB colour model that determines the frequency of light or the position in the spectrum or the relative amounts of red, green and blue. Hue corresponds to the common definition of colour, e.g. "red", "orange", "violet" etc. The other coordinates are saturation and brightness.