Robust, efficient and accurate accessibility testing tools for all Built on the world’s most popular accessibility testing library, axe-core. Deque’s suite of axe tools offers full coverage for your testing and compliance needs.

Colour contrast checker to check for accessibility issues.

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

Create inclusive experiences with the provided tools and guidance.

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

Transform your browsing experience with a powerful greyscale browser extension