A11y Cat: digital accessibility resources

Analyze a web page or portion of a web page for conformance with WCAG 2.0 Color Contrast requirements.

TPGi's ADA Color Contrast Checker helps determine the accessibility of the contrast ratio of two colors for WCAG AA and AAA.

TPGi's ADA Color Contrast Checker helps determine the accessibility of the contrast ratio of two colors for WCAG AA and AAA.

Color Safe is a tool to explore beautiful, accessible color palettes for your website based on Web Content Accessibility Guidelines (WCAG).

The color system handles the variability of dynamically changing color schemes that arise as user inputs change.

Color vision deficiency (sometimes called color blindness) represents a group of conditions that affect the perception of color. Explore symptoms, inheritance, genetics of this condition.

This guide was written by Douglas Pennant, Creative Assembly. People with color-blindness have difficulty distinguishing some colors from each other; purple might look like blue, brown might look like green, and red might look like black. These are just a few examples. Gamers with color-blindness experience a variety of problems in video games. Information presented […]

Online color filter tool to aid colorblind anomalies. Simply enter a URL and pick a filter. Start now!

Simulates colorblindness in your web browser.

Color blindness affects approximately 1 in 22 people globally. Experience the world as they do, right from your browser.

Create amazing color sets superfast.

All vector .sketch files are editable in Sketch, Figma, Adobe XD. Sketch App Sources is the largest collection of icons, UI kits, wireframes, and free design resources for Sketch.

Create, manage and test color palettes, check contrast and colorblindness, export for design tools, web and more...

A modern tool for exploring and finding accessible colors. Make sure that everyone can see your creations.

Colorsinspo is the best place to learn about colors by different experiences, choose right color palettes from the list of thousands palettes, use various tools to create color palettes and a lot more.

Pick, edit, and copy colors with the best color picker for Mac and iOS!

ColorTester provides a pass/fail assessment against WCAG 2.0 (JIS X 8341-3:2010) color contrast success criteria.It supports the drag-and-drop image file to window or get colors from picture of Clipboard.

There's plenty of common arguments against web accessibility that are dead wrong. Here are five of them with some ready-to-go counterarguments.

Only free PDF checker that tests against Section 508, WCAG 2.0 AA, PDF/UA and HHS standards. Includes certification report.

Communicate accessibility requirements and conformance using our sample language and guidance.

Communicating Your Commitment to Accessibility: Tips for Employers One of PEAT's primary goals is to help employers understand how to ensure their information and communications technology (ICT) infrastructure is accessible to all employees—and to help them understand the strong business case for doing so. For some employers, the most effective way of adopting an

In this post, we look at the WAI ARIA roles to make your website more accessible to users of all abilities and disabilities.