A11yresources
An amazing growing master collection of accessibility tools and resources.
Accessibility
Color Oracle
Free open source real time color blindness simulator for Windows, Mac and Linux.
Colorific
Easy and quick tool to test color accessibility for various color blind conditions.
WebAim
Simple tool for checking color contrast and a huge resource of web accessibility.
WhoCanUse
Understand how color contrast can affect different people with visual impairments.
Ace
Free tool to find out if your website is ADA & WCAG compliant or not with a detailed report.
ColorBox
Simple and intuitive tool to help you quickly choose accessible colors sets.
Koa11y
An open-source desktop app that allows you to automatically detect accessibility (a11y) issues on webpages.
Color Review
Easy and intuitive tool to calculate color contrast ratio and see preview in real time.
Sim Daltonism
Open source color blindness simulator app for iOS and Mac that lets you use camera or screen.
Stark
Plugin for Figma, Sketch & Adobe Xd to make digital products more accessible.
Tanaguru
Helps you find the contrast ratio and also can suggest you good contrast alternatives.
Contrast Ratio
Super easy and quick tool to calculate color contrast ratio using WCAG 2.0.
Color Safe
Beautiful and accessible color palettes based on WCAG Guidelines of contrast ratios.