Marcelo Paiva

All criteriaPresent as slides

A hooded person in profile looks upward beside a traffic light, with rain, cars, and streetlamps behind.Meant to show: A red-haired man with freckles in a wet rain jacket

Success criterion 1.4.1

Use of Color

Color is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.

  • Level A
  • Principle 1: Perceivable
  • Guideline 1.4: Distinguishable

In a user’s words

“Red means go, green means stop! Wait, that's not right, is it?”

Who this helps: Color Blindness

What each role can do

Product manager
Make sure color alone is not the only indicator for important actions or information.
Designer
Combine color with other visual indicators like text, shapes, or icons.
Developer
Implement visual cues alongside color to convey information effectively.
Tester
Test the design for accessibility with color blindness simulators.

Once it is fixed

“Finally, I don't have to play a guessing game with colors. You've made life a whole lot easier!”

The quotes are written to illustrate the criterion. They are not testimonials from real people. For the official wording, find 1.4.1 in the W3C quick reference for WCAG 2.2 (opens in a new tab).

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