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Updated: Sep 11, 2025
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Visualizing Visual Adaptation
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Warm/cool judgments as a function of hue, value, and chroma
Summary
This study used ordinal judgments to measure color perception, finding that hue significantly influences warm/cool color judgments, with individual variations in value perception and minimal impact from chroma.
Area of Science:
- Color Science
- Perceptual Psychology
Background:
- Color perception includes attributes like hue, brightness, saturation, and a universal warm/cool dimension.
- Previous warm/cool color distribution estimates relied on subjective ratings.
Purpose of the Study:
- To assess the influence of Munsell hue, value, and chroma on warm/cool color judgments using ordinal judgments.
- To evaluate an identification task for single stimulus color presentations.
Main Methods:
- Employed maximum likelihood conjoint measurement (MLCM) with ordinal judgments between stimulus pairs.
- Utilized probit regression to analyze judgments and estimate perceptual scale values.
- Included an identification task classifying single color patches as warm or cool.
Main Results:
- Ordinal judgments effectively estimate contributions of color dimensions to warm/cool perception.
- Most observers' warm/cool judgments primarily depended on hue.
- Individual differences were observed in the contribution of value to warm/cool perception, with chroma having minimal effect.
Conclusions:
- Ordinal judgments provide a reliable method for quantifying perceptual color dimensions.
- Hue is the dominant factor in warm/cool color perception, though value shows individual variability.
- Chroma has a negligible impact on the warm/cool dimension of color perception.
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