Color contrast is the difference in brightness between the colors used for foreground and background content. Its applications scope is very wide and includes web pages, desktop and mobile applications, and even texts printed on paper!
With regards to accessibility, ensuring an adequate color contrast is critical, as it makes the content much more readable; this helps people with visual impairments, as well as people with cognitive disabilities. Therefore, depending on the usage scenario, different guidelines to establish which color contrast are available; in this section you can find references to them, as well as pointer to useful tools in order to verify the color contrast in your products.
Showing results 13 to 24, out of 60.
In this working group note from the Web Accessibility Initiative (WAI) from the World Wide Web Consortium (W3C), the formal schema of the Evaluation and Report Language (EARL) 1.
Read moreHTML_CodeSniffer is a JavaScript library designed to be “injected” within any web page to “Check that your HTML code conforms to your coding standard”. Once executed, it checks the source code of a web page looking for “violations” of a given coding standard.
Read moreThis introductory document from the Web Accessibility Initiative (WAI) can be seen as an “entry point” to make it through the various (a lot of) accessibility-related standards and supporting documents provided by the World Wide Web Consortium (W3C).
Read moreThis guide from the World Wide Web Consortium (W3C) introduces the [Accessibility Conformance Testing (ACT) Rules]({{z ref “act-rules.md” >}}), a set of practical rules that can be used to test the accessibility of a website or application.
Read moreWeb Content Accessibility Guidelines Evaluation Methodology (WCAG-EM) Report Tool is a web service provided by the World Wide Web Consortium (W3C) to help you “turn your accessibility evaluation findings into a report”.
Read moreThis guide from the World Wide Web Consortium (W3C) introduces the Website Accessibility Conformance Evaluation Methodology (WCAG-EM), a methodology that provides guidance on how to evaluate the conformance of a website to WCAG.
Read moreBeing developed by the World Wide Web Consortium (W3C), Website Accessibility Conformance Evaluation Methodology (WCAG-EM) 1.0 is a document that provides guidance on evaluating how well websites conform to the Web Content Accessibility Guidelines (WCAG).
Read moreThis document from the Web Accessibility Initiative (WAI) at the World Wide Web Consortium groups the most frequently asked questions (FAQ) about Web Content Accessibility Guidelines (WCAG) 2.
Read moreImagining how people with disabilities use the Web and mobile devices can be hard. Reading all those standards, guidelines, specifications, tutorials and whatnot can be daunting, especially if you cannot make sense of the reason why your web content, mobile or desktop applications must satisfy certain requirements.
Read moreIn this informative tutorial from the Web Accessibility Initiative (WAI) from the World Wide Web Consortium (W3C) you can find a list of tools, techniques, strategies, custom settings and whatnot that people with disabilities may use while browsing the Inter.
Read moreThis informative document from the Web Accessibility Initiative (WAI) at the World Wide Web Consortium (W3C) explores the wide diversity of people and abilities, illustrating conditions that people with disabilities may face while using your products and services (websites, mobile or desktop applications, etc.
Read moreThere is an abundance of web accessibility evaluation tools out there. They differ in features, how they work, the way in which they show evaluation results, type of issues identified, and many other aspects.
Read more