Thread Subject: Adobe tagging issues

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From: Smith, Jamie
Date: Wed, May 09 2007 12:15 PM


Andrew Kirkpatrick please email me at = EMAIL ADDRESS REMOVED =

-----Original Message-----
From: = EMAIL ADDRESS REMOVED =
[mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of Andrew
Kirkpatrick
Sent: Wednesday, May 09, 2007 11:49 AM
To: TEITAC Web/Software Subcommittee
Subject: Re: [teitac-websoftware] Contrast

> Text (and images of text) have a contrast ratio of at least 5:1,
> except if the text is pure decoration. Larger-scale text or images of
> text can have a contrast ratio of 3:1.
>
> See 1.4.3 in WCAG 2.0 -
> http://www.w3.org/WAI/GL/WCAG20/#visual-audio-contrast

I wonder how this is to be evaluated in some situations. I see text
that is over a multi-color or even image background often and not all of
it strikes me as likely to be a problem to read. The contrast ratio
formula doesn't seem to account for this - does it?

AWK


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