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Abstract

The use of color CRT displays in daylight conditions is accompanied by problems of visibility and discriminability. A simulator was constructed, and six experiments were conducted to measure color-naming performance for CRT-displayed symbols. The effects of display and daylight luminance, and symbol chromaticity, size, and shape were studied. A reciprocal relationship was found between display and daylight luminance, and models of visual performance were constructed. In addition, color metrics based on the CIE 1976 L ^* u ^* v ^* space were found to be inconsistent predictors of performance. This finding was attributed to the dependency of these measures on symbol size and chromaticity. Finally, complex interactions involving symbol chromaticity and shape were discovered, suggesting that simplistic analytical models may not be viable substitutes for empirical research.

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Naming Colors on a CRT Display in Simulated Daylight

Abstract

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