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It is best to choose background colors that offer sufficient contrast in relation to text and blue links, which is also the color of references, both of which are very common in most articles. Use the WCAG link contrast checker to ensure that the chosen background color offers the recommended WCAG AA level of contrast against normal text ...
For other usage, here is a selection of tools that can be used to check that the contrast is correct: You can use a few online tools to check color contrasts, including: the WebAIM online contrast checker, or the WhoCanUse site, or Snook's Color Contrast Check. Several other tools exist on the web, but check if they are up-to-date before using ...
As a guide to selecting foreground and background colors for text, the Web Content Accessibility Guidelines 2.0 (guideline 1.4) classifies contrast ratios for ordinary text as follows: WCAG 2.0 text contrast ratios
Accessibility at AOL is about extending the power of the internet to all users and make it available to everyone. Use keyboard shortcuts to control video content on AOL Learn how to control the Unified Player for video using keyboard shortcuts.
If you are colour-blind yourself, check your revised image with a colour-sighted person to confirm the meaning is intact. The following utilities may be of use in determining whether a revised image is distinguishable to colour-blind users. Typically they take a web page or image file as an input, and render a colour-blind simulated image as ...
For text against a white background, the following CSS colors do not meet the minimum contrast ratio (4.5:1) specified by Web Content Accessibility Guidelines (WCAG) 2.0 Level AA. Contrast [ d ] Color sample
The first web accessibility guideline was compiled by Gregg Vanderheiden and released in January 1995, just after the 1994 Second International Conference on the World-Wide Web (WWW II) in Chicago (where Tim Berners-Lee first mentioned disability access in a keynote speech after seeing a pre-conference workshop on accessibility led by Mike Paciello).
Provide alt text and a caption for most images. Provide a text description of any charts or diagrams. Nest section headings sequentially. Create correctly structured tables. Wrap non-English words or phrases in {} or {{transliteration}}. Ask any accessibility-related questions at WikiProject Accessibility's talk page.
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related to: web accessibility color contrast checker cooler image