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Basic colour names for 2D samples: effects of presentation media and illuminants.
1Bradford School of Optometry and Vision Science, University of Bradford, Bradford, UK. mhedrich@hotmail.com
Summary
Color naming agreement between real samples and digital displays is moderate, influenced by lighting conditions. While color memory is robust, visual perception of color terms shows cross-media limitations.
Area of Science:
- Visual Perception
- Color Science
- Human-Computer Interaction
Background:
- Previous research indicates color memory is independent of presentation media and illuminants.
- This study investigates if color naming exhibits similar independence.
Purpose of the Study:
- To determine if color naming is affected by presentation media (real samples vs. digital display) and illuminants.
- To assess the cross-media agreement in color naming.
Main Methods:
- Forty-eight Natural Colour System (NCS) samples were presented as paper or on a calibrated monitor.
- Samples were viewed under daylight (D1, D2) or a purple (Lily) illuminant.
- Six observers assigned one of eleven basic color terms to displayed color samples.
Main Results:
- On average, 73% of color samples received the same color term across surface and display conditions.
- Color naming agreement was highest under daylight illuminants (82% for D1, 73% for D2).
- Agreement was lower under the purple illuminant (65%).
Conclusions:
- Color naming agreement between real and digital stimuli is limited, particularly under non-daylight illuminants.
- While color memory may be media-independent, color naming shows cross-media dependencies.
- Illuminant type significantly impacts the consistency of color naming across different presentation media.
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