CIE 1931

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C.I.E. 1931 Chromaticity Diagram

Chart is provided for an understanding of color relationships. RGB monitors and printed materials cannot reproduce the full gamut of the color spectrum as perceived in human vision. The color areas shown only depict rough categories and are not precise statements of color. Standard Illuminants CIE Color Matching Functions Source A x = 0.4476 y = 0.4075 Primary source: Photo Research Source B x = 0.3485 y = 0.3517 Source C x = 0.3101 y = 0.3163 Source D65 x = 0.3127 y = 0.3291 Source E x = 0.3333 y = 0.3333