Encyclopedia of Color Science and Technology

Living Edition
| Editors: Ronnier Luo

USC Diagrams; Uniform Chromaticity Scales; Yu'v'

  • Stephen Westland
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27851-8_10-1


The coordinates of the CIE 1960 UCS diagram are calculated from the 1931 CIE XYZ tristimulus value or from the xy chromaticity coordinates thus:
$$ \begin{array}{l}u=4X/\left(X+15Y+3Z\right)=4x/\left(-2x+12y+3\right),\\ {}v=6Y/\left(X+15Y+3Z\right)=6y/\left(-2x+12y+3\right).\end{array} $$
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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.University of LeedsLeedsUK