Using symmetry to understand the attributes of color

The common attributes of color are distinguishable by their symmetries. Hue, saturation, chroma, chromaticness, whiteness, and blackness symmetries are discussed. Symmetries are generally not sufficient to specify unique formulas for color attributes, nor are they an endorsement of color model accur...

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Bibliographic Details
Published in:Color research and application 2008-02, Vol.33 (1), p.27-44
Main Author: Adams Jr, Louis W.
Format: Article
Language:English
Subjects:
basic color terms
blackness
chroma
chromaticity
chromaticness
CIECAM02
CIELAB
CIELUV
color appearance
color modeling
color theory
colorfulness
hue
Hunt Model
iCAM
IPT
Munsell System
Natural Color System
saturation
scaling law
symmetry
whiteness
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Summary:The common attributes of color are distinguishable by their symmetries. Hue, saturation, chroma, chromaticness, whiteness, and blackness symmetries are discussed. Symmetries are generally not sufficient to specify unique formulas for color attributes, nor are they an endorsement of color model accuracy. However, symmetries do provide constraints for valid formulae, which are useful even when symmetries are only approximate. They also provide an alternate conceptual understanding of color attributes that differs from standard color science definitions. Symmetries provide a simplified framework for calculating groups of colors that share color attributes. Color models examined include the Hunt Model, a simple color model (SCM), various CIE color spaces, and IPT. A general functional form describes symmetries and scaling laws for many color models, and exceptions are discussed. © 2007 Wiley Periodicals, Inc. Col Res Appl, 33, 27–44, 2008
ISSN:0361-2317
1520-6378
DOI:10.1002/col.20365