Category: Accessibility

Minimum Color Contrast Ratio Changed in WCAG 2

December 15, 2008

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Topics: Accessibility, News, Web standards.

In the final release of WCAG (Web Content Accessibility Guidelines) 2, the acceptable minimum color contrast ratio was changed from 5:1 to 4.5:1. I’ve updated both my color contrast tests — Color Contrast Comparison Tool and the Color Contrast Spectrum Tool to reflect the change in contrast ratio. What does this change mean? Essentially, this means that the working group decided that color combinations with lower contrast (more similar colors) were acceptable for general use on the web. This is […]

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WCAG 2 Reaches Recommendation Status

December 11, 2008

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Topics: Accessibility, News, Web standards.

It’s been a long time coming, but as of today the standards of accessibility expressed in the Web Content Accessibility Guidelines are officially updated. A W3C (World Wide Web Consortium) recommendation is the most final state a document can reach in the W3C standards system, and should now be considered the standard document for accessibility, superceding WCAG (Web Content Accessibility Guidelines) 1. A W3C Recommendation is a specification or set of guidelines that, after extensive consensus-building, has received the endorsement […]

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New article at Practical eCommerce

November 6, 2008

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Topics: Accessibility.

Published today: Accessibility: Making Video and Audio Usable For The Deaf at Practical eCommerce magazine. To summarize, the article is intended to demonstrate the value of creating alternate versions of video or audio resources which go beyond simply reproducing the content — developing alternatives which themselves contain a more visceral, appealing style.

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Update to Search script in MySQL/PHP

September 11, 2008

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Topics: Accessibility.

This is an old project, now obsolete. Links have been redacted. I know it’s only been a month, so it’s obviously far too soon for me to be publishing any kind of a script update. However, these were things which just needed to be done. First, I’ve greatly improved the internationalism of the script: it now operates searches on UTF-8 encoded data, so it should be great for working with any language which requires characters in that character set. Testing […]

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