Color

(kul' -or) [L.]. 1. A visual sensation due to radiated or reflected light. 2. That quality of an object perceptible to sight alone. 3. A pigment. C. -analysis, Ehr- lich's method of identifying the various forms of leukocytes. It depends upon the distinctive manner in which the protoplasmic granules react toward the acid, basic, and socalled neutral solutions of the anilin dyes. Five varieties of granules are recognized and designated by the Greek letters, a, ft, y, d, e:(1) a-granules (eosinophil, oxyphil, or coarse oxyphil granules);(2) ft-granules (amphophil granules);(3) "{-granules (mast- cell or coarse basophil granules);(4) d-gran- ules (fine basophil granules);(5) s-granules (neutrophil or fine oxyphil granules). C- blindness. See Blindness, Color-. C. -gusta- tion. See Pseudogeusesthesia. C. -hearing, the excitation of the visual center for color through the auditory nerve. C. -sensation, the perception of color; it depends on the number of vibrations of the ether.

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  Colouring pencils

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  Visible spectrum 390-710 nm linear perceptual

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  Optical grey squares orange brown

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  Cones SMJ2 E

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  Ventral-dorsal streams

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  CIE chromaticity diagram 2012 version

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  Additive Color

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  Subtractive Color

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  Color Classification

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  Rechteckspektrum sRGB

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  Visible gamut within CIEXYZ color space D65 whitepoint mesh

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  Visible gamut within CIELUV color space D65 whitepoint mesh