Whiteness, chromaticness, and blackness symmetries for CIELAB, with a numerical example

Whiteness, chromaticness, and blackness are defined for CIELAB. These NCS‐like color attributes offer an alternative to lightness and chroma for describing color. Their hue‐preserving symmetries are derived for tristimulus color space. A numerical example provides what theory predicts are visually u...

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Bibliographic Details
Published in:Color research and application 2010-08, Vol.35 (4), p.319-323
Main Author: Adams Jr, Louis W.
Format: Article
Language:English
Subjects:
Approximation
basic color terms
blackness
chroma
chromaticness
CIELAB
Color
color theory
Computer aided design
computer graphics
hue
Mathematical analysis
Munsell System
Natural Color System (NCS)
Symmetry
whiteness
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Summary:Whiteness, chromaticness, and blackness are defined for CIELAB. These NCS‐like color attributes offer an alternative to lightness and chroma for describing color. Their hue‐preserving symmetries are derived for tristimulus color space. A numerical example provides what theory predicts are visually uniform sequences of colors with constant lightness, whiteness, chromaticness, or blackness. Numerical approximation is unnecessary. Such sets of symmetric colors in one hue are visually interesting, and useful for computer aided design. The appropriateness of such attributes for CIELAB is briefly discussed. © 2010 Wiley Periodicals, Inc. Col Res Appl, 2010
ISSN:0361-2317
1520-6378
DOI:10.1002/col.20577