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The Specification of Colour Appearance. I. Concepts and Terms

The Specification of Colour Appearance. I. Concepts and Terms Concepts necessary for the specification of the appearance of colours are described, and the corresponding colour terms collected. Psychometric and psychoquantitative terms are listed that correlate with the perceptual and psychophysical terms used. The perceptual term colourfulness is proposed to denote the attribute of a visual sensation according to which an area appears to exhibit more or less chromatic colour; for a given chromaticity, as the luminance increases, colourfulness generally increases. For related colours, the CIE 1976 Colour Spaces are used to systematize some psychometric variables that are independent of absolute luminance level, including metric saturation, metric purity, and metric chroma, and formulae are given for calculating their amounts. (In Part II, to appear in the next issue, the effects of changes in viewing conditions will be discussed). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Color Research & Application Wiley

The Specification of Colour Appearance. I. Concepts and Terms

Color Research & Application , Volume 2 (2) – Jun 1, 1977

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References (10)

Publisher
Wiley
Copyright
"Copyright © 1977 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
0361-2317
eISSN
1520-6378
DOI
10.1002/col.5080020202
Publisher site
See Article on Publisher Site

Abstract

Concepts necessary for the specification of the appearance of colours are described, and the corresponding colour terms collected. Psychometric and psychoquantitative terms are listed that correlate with the perceptual and psychophysical terms used. The perceptual term colourfulness is proposed to denote the attribute of a visual sensation according to which an area appears to exhibit more or less chromatic colour; for a given chromaticity, as the luminance increases, colourfulness generally increases. For related colours, the CIE 1976 Colour Spaces are used to systematize some psychometric variables that are independent of absolute luminance level, including metric saturation, metric purity, and metric chroma, and formulae are given for calculating their amounts. (In Part II, to appear in the next issue, the effects of changes in viewing conditions will be discussed).

Journal

Color Research & ApplicationWiley

Published: Jun 1, 1977

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