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Relative wavelength metric for the complete hue cycle: Derivation from complementary wavelengths

Relative wavelength metric for the complete hue cycle: Derivation from complementary wavelengths In recent research, it has been increasingly necessary to employ an extended wavelength metric to cover the complete hue cycle so as to research or represent data as a function of relative wavelength rather than psychological scales such as CIELAB or Munsell hue angle. This article describes such a relative wavelength metric and its derivation from complementary wavelength functions. The metric provides a useful psychophysical, wavelength‐based, ratio scale for the hue cycle allowing nonspectrals to be treated in the same coherent scale as spectral hues. Several indicators, e.g., color order hue cycles, infer the (optimally efficient) spectral hues comprise about 71% and the nonspectrals about 29%, of the hue cycle interval. This gives a hue cycle whose relative wavelength interval is about 240 nm for illuminant D65. To relate to CIE colorimetry, spectral complementary wavelengths to the nonspectrals' relative wavelengths are identified for seven illuminants including D65,D50, C, and A. Data are given for CIE 1931, and briefly 1964, colorimetry. © 2010 Wiley Periodicals, Inc. Col Res Appl, 2010 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Color Research & Application Wiley

Relative wavelength metric for the complete hue cycle: Derivation from complementary wavelengths

Color Research & Application , Volume 35 (2) – Apr 1, 2010

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References (22)

Publisher
Wiley
Copyright
"Copyright © 2010 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
0361-2317
eISSN
1520-6378
DOI
10.1002/col.20534
Publisher site
See Article on Publisher Site

Abstract

In recent research, it has been increasingly necessary to employ an extended wavelength metric to cover the complete hue cycle so as to research or represent data as a function of relative wavelength rather than psychological scales such as CIELAB or Munsell hue angle. This article describes such a relative wavelength metric and its derivation from complementary wavelength functions. The metric provides a useful psychophysical, wavelength‐based, ratio scale for the hue cycle allowing nonspectrals to be treated in the same coherent scale as spectral hues. Several indicators, e.g., color order hue cycles, infer the (optimally efficient) spectral hues comprise about 71% and the nonspectrals about 29%, of the hue cycle interval. This gives a hue cycle whose relative wavelength interval is about 240 nm for illuminant D65. To relate to CIE colorimetry, spectral complementary wavelengths to the nonspectrals' relative wavelengths are identified for seven illuminants including D65,D50, C, and A. Data are given for CIE 1931, and briefly 1964, colorimetry. © 2010 Wiley Periodicals, Inc. Col Res Appl, 2010

Journal

Color Research & ApplicationWiley

Published: Apr 1, 2010

Keywords: ; ; ; ; ;

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