Rule: Use of color

Rule ID Color 2
Conformance Required
Definition Color must not be the only way to convey information on the page.
Purpose
  • For people with color blindness and other forms of visual impairments will not be able to see colors or color differences.
  • This requirement also includes references to color of content on page to identify some type of information, there should be redundant labeling of the content, for example using text labels to also identify and refer to the information.
Conformance Required
WCAG Success Criteria

Success Criterion 1.4.1 Use of Color

Other Related Success Criterion:

Rule Category Color/Content
Rule Scope Page
Techniques
  • Provide redundant text labels for content presented in color, it the color is presenting meaningful information.
  • Use background patterns to also identify information.
Information Links