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.
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As its name suggests, the Google Accessibility Test Framework for Android is an open source framework developed by [Google]/https://www.google.com) to help developers test and evaluate the accessibility of their android applications.
Read moreBeing introduced with the slogan “an accessibility visualization toolkit”, TotA11Y is a tool that allows you to test and evaluate the accessibility a web page. It performs several automated accessibility tests, altering the visual rendering of the examined page to reflect the detected issues.
Read moreIn this comprehensive guide by Google you can get an overview how different assistive technologies built-in into the Android operating systems and how to use them to test and evaluate the accessibility of your Android apps.
Read moreAs its name suggests, the Google Accessibility Test Framework for Android is an open source framework developed by [Google]/https://www.google.com) to help developers test and evaluate the accessibility of their android applications.
Read moreAs the name implies, JavaScript Bookmarklets for Accessibility Testing is a suite of bookmarklets designed to let you test and evaluate various aspects of your web content accessibility.
Read moreWeb Accessibility Evaluation Tool (WAVE for short) is a suite of tools designed to help you test and evaluate the accessibility of your web content be it a static page, a dynamic web application or whatever in the middle.
Read moreWith over 65% of the world population being visual learners, meaning that they learn and remember best through visual communication, it is very important to make sure that all images used in these learning and communication processes are accessible.
Read moreIn this guide from WebAIM, you can read some very useful guidelines you can leverage to evaluate the accessibility of your content for people with cognitive disabilities or learning difficulties.
Read moreIn this video from Deque Systems, you can learn how to get the most out of Axe Dev Tools, a free browser extension that allows you to perform automated accessibility testing of web pages and web applications, identifying issues and providing remediation guidance to help you fix them whenever possible.
Read moreIn this document provided by Apple, you can find a collection of guidelines you should keep in mind while designing, developing and testing your app to ensure it is accessible on Apple platforms.
Read moreAll requirements coming from accessibility standards and guidelines can be grouped around some basic principles, which can perhaps be much easier to grasp and consider (especially during the earlier phases of the development process).
Read moreProvided by the Web Accessibility Initiative (WAI) at the World Wide Web Consortium (W3C), this informative document contains an introduction to the Evaluation and Report Language (EARL).
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