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

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.

Visualise tab order with ease - taba11y calculates the tab order of all elements and displays it visually, either by drawing a path or by highlighting the elements.

Colour contrast checker to check for accessibility issues.

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.

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