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- Color Contrast Analyzer Firefox
Trusted Mac download Colour Contrast Analyser 2.4. Virus-free and 100% clean download. Get Colour Contrast Analyser alternative downloads. Download Colour Contrast Checker - Check the contrast created by various color combinations with this extension for your browser that you can use as a web design tool. Color Oracle: Simulate color blindess using this app available for Mac, Windows, and Linux Sketch Color Contrast Analyser: Ensure your designs meet color contrast recommendations from within Sketch Inclusive Design at Microsoft: Follow best practices for accessibility with Microsoft’s inclusive design principles.
Thank you for registering your interest in our accessibility resources. Below you will find links to our tools, tip sheets and other resources.
Tools to download
Web Accessibility Toolbar (WAT) for IE
Un-install previous version of the toolbar before installing this version. During install and un-install ensure that Internet Explorer is closed.
Additional info: How do I know if my windows version is 32 or 64 bit?
Download the Web Accessibility ToolbarColour Contrast Analyser for Web Pages
Additional info: About the Colour Contrast Analyser and How to use the Colour Contrast Analyser
ColourMap - Colour Blind Helper
Webmaster version JavaScript file is available here: colourmapWebmaster.zip
Complex Data Table Markup Toolbar
To install the toolbar, download the setup file comtab.zip. The zip file contains a single file 'complex_table_toolbar'. Unzip to desktop, start up Firefox and drag the file into the main window area of Firefox. You can now use the toolbar on any table on any web page.
Autocomplete
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The JavaScript file is available via this link: vaautocomplete.zip.
Accessible YouTube player
Update: This accessible player has become obsolete because YouTube now uses the HTML5 player in major browsers. The YouTube HTML5 player has a good level of accessibility and can be used as is.
If you wish to install the YouTube player, download flashcontrolsII.swf and vayoutube.js.zip, extract the JavaScript and Flash file and install as per instructions on main page.
Tip sheetsIn PDF
- Tips for accessibility testing (PDF, 71KB)
- Tips for assistive technology testing (PDF, 316KB)
- Web Content Accessibility Guidelines (PDF, 154KB)
In HTML
Whitepaper
Colour Contrast Analyzer
Colour Contrast Analyser is an unusual accessibility tool with a couple of useful functions.
The simplest allows checking text foreground and background colours to determine its legibility. The program gives you a pass/fail assessment using WCAG 2.0 color contrast success criteria.
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You don't need to understand the low-level technicalities to find this useful. Just enter a foreground and background colour and separate verdicts are displayed for large and small text. You can optionally use RGB or HSV sliders to adjust problematic colours until they work.
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The second function simulates various colour blindness and other visual conditions, helping you understand how some users might see your work.
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Colour Contrast Analyser can work with an image file, program window or the entire screen. Make your choice, choose a condition - Protanopia, Deuteranopia, Tritanopia, Cataracts, Greyscale, Invert - and the simulator updates to show how its effects.
Verdict:
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Combining the colour contrast check and colour blindness simulator in one app seems an odd decision - they'd make more sense as separate programs - but both functions are useful, and overall Colour Contrast Analyser is a handy accessibility tool.