If you’ve created a color palette for a website or app, you’ve probably encountered a few of the challenges in creating color palettes for user interfaces. One of the most common challenges is meeting accessibility criteria such as a minimum contrast ratios defined by the Web Content Accessibility Guidelines (WCAG).

A project to make it easier for designers and engineers to leverage color science to create custom interpolations for a value scale, and to make it easier for designers and engineers to conform to WCAG minimum contrast standards by using contrast ratio as the starting point, rather than a post-color-selection auditing process.

Understanding WCAG 2.1: What to Expect

Nouvelle version des WCAG, à suivre

"Bookmarklets for Accessibility Testing use JavaScript to highlight roles, states, and properties of accessibility elements on the page. They are accessible to screen reader users and work on any browser including mobile phones."