The WCAG-EM Report tool is an assistant that takes the user through the process of evaluating the accessibility of a website, using the WCAG Evaluation Methodology.

It is developed by the Web Accessibility Initiative (WAI) at the World Wide Web Consortium (W3C). Initially developed with support from the WAI-ACT Project, and updated with support of the WAI-Tools Project, co-funded by the European Commission (EC).

• WCAG-EM Report Tool @ GitHub.

Fix Unreadable Colors in Python. Make your text readable for everyone.

CM-Colors automatically fixes your colors so they are easy to read. It finds similar colors that work for everyone, so you don't have to guess.

• cm-colors @ GitHub.

Related contents:

• CM-Colors - Un petit changement de couleurs pour une accessibilité maximum @ Korben :fr:.

A browser extension to check compliance with the RGAA standard

In WCAG 2, contrast is a measure of the difference in perceived brightness between two colors, expressed as a ratio

Accessible color palette generator. Discover beautiful color combinations your whole audience can appreciate and follow Web Content Accessibility Guidelines (WCAG) with ease.

This native application (available for both Windows and Mac) allows you to evaluate the color visibility and contrast of foreground/background color combinations. It provides an initial pass/fail assessment against WCAG 2.0 color contrast success criteria.