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Updated: Jul 30, 2026
04:43
Visualizing Visual Adaptation
Published on: April 24, 2017
Colors of maximal saturation
1College of Optometry, Ohio State University, Columbus, USA.
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.
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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