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This is an early unpublished editor's draft; content is incomplete and subject to change.

Hue not relied on

Core requirement

Information is not conveyed by hue alone.

Information conveyed includes presenting data or meaning, indicating an action, prompting a response, distinguishing between items, conveying boundaries, etc. Artistic expression is not part of information conveyed.

Except when

  • Content is artistic or expressive.
  • Content is designed only for a device that is limited to presenting hues.

Tests

Procedure

For each instance where information is conveyed by hue:

  1. Check that at least one additional visual indicator is present that conveys the same information.

Expected results