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Understanding Guideline 1.4

Guideline 1.4: Make it easier for users2204 to see and hear content including separating foreground from background

Intent of Guideline 1.4

While some guidelines are focused on making information available in a form that can be presented in alternate formats, this guideline is concerned with making the default presentation as usable as possible to people with disabilities. The primary focus is on making it easier for users to separate foreground information from the background. For visual presentations this involves making sure that information presented on top of a background contrasts sufficiently with the background. For audio presentations this involves making sure that foreground sounds are sufficiently louder than the background sounds. Individuals with visual and hearing disabilities have much greater difficulty separating foreground and background information.

Advisory Techniques for Guideline 1.4 (not success criteria specific)

Specific techniques for meeting each success criterion for this guideline are listed in the understanding sections for each success criterion (listed below). If there are techniques, however, for addressing this guideline that do not fall under any of the success criteria, they are listed here. These techniques are not required or sufficient for meeting any success criteria, but can make certain types of Web content more accessible to more people.

  • Using readable fonts (future link)

  • [begin add]

    Making sure any text in images of text is at least 14 points and has good contrast (future link) [1935]

    [end add]
  • [begin add]

    Providing a highly visible highlighting mechanism for links or controls when they receive keyboard focus (future link) [1980]

    [end add]

Success Criteria for this Guideline: