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

Colour contrast checker to check for accessibility issues.

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

TPGi’s on-demand single-page accessibility testing tool. Use it to remediate failures surfaced in ARC Monitoring scans or as a QA tool.

A website for getting different information for colors (different formats, complementary color) , especial a color blindness simulator.

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.