CIE xyY Color Space

This Demonstration shows a three-dimensional representation of the visible colors in space. The colors are mapped to various RGB working spaces. The and coordinates represent chromaticity (the difference between red, green, and blue), while the (vertical) coordinate represents brightness. Thus, the set of all possible points in space represents all possible hues and brightnesses.



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Data comes from [1, table I] and [2].
[1] D. L. MacAdam, "Maximum Visual Efficiency of Colored Materials," Journal of the Optical Society of America, 25(11), 1935 pp. 361–367.
[2] B. Lindbloom. "RGB/XYZ Matrices." (Jun 13, 2013) _Matrix.html.
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