A tool for making custom branded color palettes for web and UI design that are built from the ground up to meet WCAG contrast accessibility guidelines

Free and open source. Solve accessibility issues before they reach your customers.

Use TPGi's free colour contrast checker to optimize your content - including text and visual elements - for individuals with color-blindness or low vision impairments.

An open-source, automated tool to help you improve the quality of web pages. You can run it on any web page, public or requiring authentication.

Allows you to easily check the accessibility of any web page directly in Google Chrome, so you can immediately identify issues based on the latest ACT (Accessibility Conformance Testing) rules – with instant feedback and recommendations.

aDesigner is a disability simulator that helps designers ensure that their content and applications are accessible and usable by the visually impaired.