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Color Tools

Color Impairment

  • Color Oracle is another desktop application for simulating color impairment on your entire screen.
  • Daltonize is a collection of bookmarklets that simulate the three most common forms of color impairment (protanopia, deuteranopia, and tritanopia) on any web page.
  • colourblind is another simulation tool similar to Daltonize, but with more options (protanopia, protanomaly, deuteranopia, deuteranomaly, tritanopia, tritanomaly, achromatopsia, and achromatomaly) in a single bookmarklet.
  • postcss-colorblind is a CSS build tool that modifies colors in your CSS to simulate four common impairment groups.

Accessibility Review Tools

These tools can be used to test sites for Section 508 and WCAG compliance in browser:

Autocomplete Widgets

These JavaScript widgets produce HTML with ARIA autocomplete attributes:

Automated Testing

These tools can be used in automated tests and with continuous integration tools to help you ensure that your sites remain accessible throughout the development process:

  • a11y is a Node-based accessibility auditing with both command-line and JavaScript APIs.
  • pa11y and is like a11y, but consists of a larger suite of tools, including command-line and JavaScript APIs, a web service and a dashboard for monitoring accessibility reports across multiple sites.
  • ra11y is a Ruby-based accessibility testing tool tuned for use with Jekyll and static sites.
  • webalin is a Python-based 508 compliance linter for HTML.

There are many other npm packages tagged wcag and a11y.