Ad
related to: background color contrast checker accessibility tool
Search results
Results from the WOW.Com Content Network
Use the WCAG link contrast checker to ensure that the chosen background color offers the recommended WCAG AA level of contrast against normal text (#202122) and blue links (#3366CC for the default Vector 2022 skin). [1] WCAG AA is required by various government bodies in the US, EU, UK and Canada.
An example of how text with low colour-contrast appear to someone with the commonest form of colour-blindness, red/green. If you have default settings on Wikipedia, and are reading this page on a screen, then you probably can't read the following: This is a secret message. because it has blue text on a blue background.
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 them. Several tools are based on WCAG 1.0's algorithm, while the reference is now WCAG 2.0's algorithm.
See the guides to editing articles for accessibility at contrast, accessibility and navbox colors. To use a colour in a template or table you can use the hex triplet (e.g. bronze is #CD7F32) or HTML color names (e.g. red).
Template:Color contrast conformance; Wikipedia:WikiProject Accessibility; Colour Contrast Check; G18: Ensuring that a contrast ratio of at least 4.5:1 exists between text (and images of text) and background behind the text; Index of Color Contrast Samples
Tools. Tools. move to sidebar hide. ... This is useful for selecting a foreground/background color pair. For accessibility, ... reduces contrast-check. A bias of 1.25 ...
Many of these templates can be used with links to other articles or references, so the links should be clearly identifiable against the background color. You can check contrast level using the WebAIM contrast checker by setting the foreground color to the blue link color. Contrast should be at the minimum WCAG AA level and, whenever possible ...
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).
Ad
related to: background color contrast checker accessibility tool