RE: web accessibility testing
- From: "Julio C. Perez" <jcperez1@xxxxxxxxxxxxx>
- To: programmingblind@xxxxxxxxxxxxx
- Date: Tue, 09 Oct 2007 07:43:25 -0400
When you say "style sheets" are you speaking of "cascading style sheets
(CSS)"? If so, why would you want to "stay independent of style sheets". I
thought that the w3c and 508 guidelines promote the use of style sheets. Can
you enlighten me on this matter?
Sincerely,
Julio C. Perez
Let us be aware of the source of being, common to us all and to all living
things.?
Thich Nhat Hanh
jcperez1@xxxxxxxxxxxxx
-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Robbie Miller
Sent: Saturday, October 06, 2007 12:34 PM
To: programmingblind@xxxxxxxxxxxxx
Subject: Re: web accessibility testing
Hello Léonie,
I'll give this tool a try.
Thanks.
Robbie
robbie@xxxxxxxxxxxxxxxxxxx
----- Original Message -----
From: "Léonie Watson" <tink@xxxxxxxxxx>
To: <programmingblind@xxxxxxxxxxxxx>
Sent: Friday, October 05, 2007 4:33 PM
Subject: RE: web accessibility testing
Robbie,
For a foreground/background colour pair to show good contrast, they
should pass tests for colour difference and brightness. The W3C provides two
algorithms for working these out.
Essentially, a colour pair must return a score of 500 or higher for
colour difference and a score of 125 or higher for brightness. HP propose a
slightly more lenient score of 400 for colour brightness, which is perfectly
acceptable.
There are several online tools you can use to test two colours,
providing you have the hex colour codes. There's one on my site:
http://www.tink.co.uk/content/colour_checker.php
Regards,
Léonie.
-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Robbie Miller
Sent: 05 October 2007 15:01
To: Blind Programming
Subject: web accessibility testing
Hello Listers,
I've been asked to do an accessibility - section 508 evaluation of a web
site. My question is, how can I test a page to see if it:
1.) "Remain Independent of Color" and 2.) "Stay Independent of Style
Sheets"?
Are there any tools I can use to do this?
Any help on this would be appreciated.
Also, if there are any resources on web accessibility testing, please let me
know.
Thank you.
Robbie
robbie@xxxxxxxxxxxxxxxxxxx
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