Projects/Usability/HIG/Color: Difference between revisions

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    ==Purpose==
    ==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==
    ==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 14:43, 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