The Influence of Lightness, Chroma and Hue of Chromatic Letters against an Achromatic Background on Readability and Equivalent Luminance Contrast

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概要

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• The main purpose of coloring an object is to add information and to draw attention to it. However, the visibility of the visual object must not be spoiled by taking these effects too seriously. It is thought that explaining the influence of color on the visibility of an object is useful to show the effect of coloring except for the visibility after securing the visibility of a visual object. The final goal of this research is to show the establishment of visual environment design based on the visibility of chromatic object, and tries to explain the influence on the visibility of the color quantitatively. This paper shows the results of the subjective evaluation experiment. The experiment has various conditions systematized by color difference (lightness, chroma and hue under the CIELAB color system). The readability of chromatic documents was understood by focusing on the color difference as an index that shows the degree of influence of the color on visibility quantitatively. This paper shows the relationship between the color difference and the equivalent luminance contrast that is proposed by the authors to discuss the influence of the color easily.

• 社団法人照明学会の論文

著者

• Hara Naoya

  Kansai University

• Noguchi Tarow

  Kansai University

関連論文

• Applying the Geodesic Dome to Daylight Simulation : the Activities on the Daylight Simulation Working Group in Japan
• The Influence of Lightness, Chroma and Hue of Chromatic Letters against an Achromatic Background on Readability and Equivalent Luminance Contrast

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