This tool generates palettes that attempt to meet:

  • WCAG 2.1 AAA minimum text contrast and non-text contrast requirements
  • APCA Readability Criterion's bronze level requirements

WCAG (Web Content Accessibility Guidelines) is an international technical standard for making web content more accessible to people with disabilities.

APCA (Accessible Perceptual Contrast Algorithm) is an experimental system for measuring color contrast that attempts to reflect human perception more accurately than WCAG's contrast ratio system.

This palette-generator includes automated tests for conformance to the APCA and WCAG color contrast standards.

Site developed by Raynald Mirville.