Color Contrast Tools

9 tools
NoCoffee Vision Simulator

NoCoffee can be helpful for understanding the problems faced by people with slight to extreme vis...

WebAIM Color Contrast Checker

Online color contrast checker

Contrast Ratio

Simple tool to check your contrast ratio online

Tanaguru Contrast Finder

Find me the good constrasts, for web accessibility, between two selected colors.

A11y Color Palette

This tool should help you visualize an entire palette of all color combinations with accessibilit...

Text on background image a11y check

Change the text size, colour and position. It will check the dimensions of the textarea against t...

ColorBox

A web app that algorithmically builds accessible color schemes

Sim Daltonism

Sim Daltonism lets you visualize colors as they are perceived with various types of color blindne...

Contrast

A macOS app for quick access to WCAG color contrast ratios

Get our newsletter