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Colors of maximal saturation

G A Fry1

  • 1College of Optometry, Ohio State University, Columbus, USA.

Optometry and Vision Science : Official Publication of the American Academy of Optometry
|August 1, 1995
PubMed
Summary

Chromatic adaptation can increase the saturation of colors, even those outside the standard spectrum locus. A quadrilateral boundary defines maximal color saturation, potentially linked to fundamental colors and zone theory.

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Area of Science:

  • Color science
  • Visual perception

Background:

  • The spectrum locus on the CIE Chromaticity Diagram represents monochromatic stimuli.
  • Chromatic adaptation influences perceived color saturation.

Purpose of the Study:

  • To explore how chromatic adaptation affects color saturation.
  • To relate the boundary of maximal saturation to fundamental colors and zone theory of color vision.

Main Methods:

  • Analysis of the spectrum locus and colors within and outside it.
  • Investigation of a four-sided boundary representing maximal saturation.

Main Results:

  • Some colors, both within and outside the spectrum locus, can be made more saturated via chromatic adaptation.
  • A quadrilateral boundary defines the locus of colors with maximal saturation.

Conclusions:

  • The quadrilateral boundary of maximal saturation may be related to fundamental colors.
  • This boundary might also be connected to a zone theory of color vision.

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