The Veil of Ignorance
A Good Introdution to Accessibility
Invision Guide to Web Accessibility
Contrast Levels
The WCAG 2.0 AA recommendation for minimum contrast between foreground and background colors is 4.5:1.
This contrast ratio analyzer allows you to enter foreground and background colors (name, hex, rgb, rgba, hsl, hsla formats).
It’s a very interesting and easy to use tool.
Other Tools
Statistics
Useful Reading
- We’re Just Temporarily Abled: Designing for the Future
- WebAIM: Intro to Web Accessibility
- WebAIM: Web Accessibility for Designers
- WebAIM: Links and Hyperlinks
- WebAIM WCAG 2.0 Checklist
- SitePoint: Making Accessible Links, 15 Rules
- HTML Dog: Accessible Links
How ARIA Landmark Roles Aid Accessibility
This is an excellent and concise video showing how ARIA works with Screen Reading software: