Specifically, I haven't looked into this but I do know some accessible 
sites include a high contrast option (which I believe is an alt 
stylesheet), if in doubt, I'd try making the font darker and the background 
lighter and see if the same warning pops up. I know that's vague. Aside 
from the W3C standards, I bookmarked this accessibility 
evaluator<http://fae.cita.uiuc.edu/>a while back but I dunno if it includes 
color schemes.

On Thursday, August 16, 2012 10:42:48 AM UTC-5, Dan Robb wrote:
>
> Anybody have any idea if the colors used in TB are ADA compliant? 
>  Specifically we're being questioned on the message boxes (error, 
> informational, warning, etc.) with the use of dark color on light color. 
>  When run through an ADA compliant color checker, they seem to come back as 
> not compliant, but the tool being used is very old.  Any guidance 
> appreciated.
>
>

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