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41MacAdam ellipse — In the study of color vision, MacAdam ellipses refer to the region on a chromaticity diagram which contains all colors which are indistinguishable, to the average human eye, from the color at the center of the ellipse. The contour of the ellipse… …
42X Window System core protocol — The X Window System logo The X Window System core protocol[1][2][3] is the base protocol of the X Windo …
43Adams chromatic valence color space — Adams chromatic valence color spaces are a class of color spaces suggested by Elliot Quincy Adams.cite conference|title=Chromatic Valence as a Correlate of Munsell Chroma|authorlink=Elliot Quincy Adams|first=Elliot… …
44Elliot Quincy Adams — was born 13 September 1888, and attended the Massachusetts Institute of Technology, studying chemical engineering under Gilbert N. Lewis, who remarked that the two most profound scientific minds, among the people he had known, were those of E… …
45Imaginary color — Normalized spectral sensitivity curves of the three kinds of cone cells, which define the space of human color sensation Non physical, unrealizable, or imaginary colors are points in a color space that correspond to combinations of cone cell… …
46Color triangle — A 1775 color triangle …
47Color difference — The difference or distance between two colors is a metric of interest in color science. It allows people to quantify a notion that would otherwise be described with adjectives, to the detriment of anyone whose work is color critical. Common… …
48CIE 1960 color space — The CIE 1960 color space ( CIE 1960 UCS , variously expanded Uniform Color Space , Uniform Color Scale , Uniform Chromaticity Scale , Uniform Chromaticity Space ) is another name for the (u,v) chromaticity space devised by David MacAdam. [cite… …
49Display contrast — Contrast in visual perception is the difference in appearance of two or more parts of a field seen simultaneously or successively (hence: brightness contrast, lightness contrast, color contrast, simultaneous contrast, successive contrast, etc.).… …
50OSA-UCS — In colorimetry, the OSA UCS is a color space or chromaticity diagram first published in 1974 and developed by the Optical Society of America s Committee on Uniform Color Scales; presently the 1976 edition is adopted. It is based on and compatible …
