Difference between revisions of "Projects/Usability/HIG/Color"

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==Purpose==
 
==Purpose==
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Color is a basal quality in human perception. Color can be used for communication, it is a very efficient way to direct attention, and significance can assigned to an object with color. However, color is a historical and cultural phenomenon, and is subject of continuous aesthetical changes. Furthermore, it should be taken into consideration that a rather high percentage of population has a perception disorder ranging from difficulties to discriminate between red and green to complete color blindness.
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==Guidelines==
 
==Guidelines==
 
* Choose colors by selecting the appropriate theme color or system color.
 
* Choose colors by selecting the appropriate theme color or system color.

Revision as of 15:43, 16 July 2013

Purpose

Color is a basal quality in human perception. Color can be used for communication, it is a very efficient way to direct attention, and significance can assigned to an object with color. However, color is a historical and cultural phenomenon, and is subject of continuous aesthetical changes. Furthermore, it should be taken into consideration that a rather high percentage of population has a perception disorder ranging from difficulties to discriminate between red and green to complete color blindness.

Guidelines

  • Choose colors by selecting the appropriate theme color or system color.
  • Never use color as a primary method of communication, but as a secondary method to reinforce meaning visually.
  • Make foreground color contrasting to background.
  • Consider accessibility for users with color vision deficiency (~5% population).

Implementation


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