Component Library

Color contrast - Non-text contrast

Issue Description

The visual presentation of user interface components and graphical objects should have a contrast ratio of at least 3:1 against adjacent color(s). This includes focus indicator and icons.

Recommendation

Ensure that active user interface components (i.e., controls) and meaningful graphics are distinguishable by people with moderately low vision.

http://www.w3.org/TR/WCAG20-TECHS/G183.html