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Re: Check that all information conveyed with color is also available without color

From: Leslie K. Yoder <lkyoder@pacbell.net>
Date: Mon, 17 Jun 2002 07:25:46 -0700
To: w3c-wai-ig@w3.org
Message-id: <002c01c2160a$df031380$6401a8c0@computer>

Thanks, Kathleen.  This is great!

Leslie

----- Original Message -----
From: "Kathleen Anderson" <kathleen.anderson@po.state.ct.us>
Sent: Monday, June 17, 2002 5:03 AM


> I have been using the "Grayscale the Page" bookmarklet found at
> http://www.508compliant.com/tools.htm  and I think it works well.  Once
> you've downloaded the tool, it ends up as a favorite in your IE favorites.
> They also have "Kill Style Sheets" and "IMGs missing ALTs".
>
> Kathleen Anderson, Chair
> State of Connecticut
> CMAC Web Site Accessibility Committee
> email: kathleen.anderson@po.state.ct.us
> phone: (860) 702-3355
> URL: http://www.cmac.state.ct.us/access/
>
>
> ----- Original Message -----
> From: "Alan Chuter" <achuter@teleservicios.com>
> To: <w3c-wai-ig@w3.org>
> Sent: Monday, June 17, 2002 5:00 AM
> Subject: Check that all information conveyed with color is also available
> without color
>
>
>
> This is so obvious that I can't think that nobody has thought of it
before.
> The
> WCAG techniques suggest:
>
>   "To test whether color contrast is sufficient to be read by people with
> color
>   deficiencies or by those with low resolution monitors, print pages on a
> black
>   and white printer (with backgrounds and colors appearing in grayscale)."
>
> As many people have pointed out printing is not sufficient as the browser
> compensates
> for color problems. Using a B&W monitor it's awkward to compare between
> monitors.
>
> A simple solution is as follows. My example uses Windows and Microsoft
> Office Photo
> Editor but it will work with other platforms and editors I think.
>
> 1. Use Ctrl+Alt+PrintScreen to copy the image of the browser window
>    to the clipboard.
>
> 2. In Photo Editor, select Edit/Paste as new Image
>
> 3. Select File/Properties/Image/Type and switch to grayscale
>
> 4. Repeat step 2
>
> You now have two copies of the window, one with color and one in
grayscale,
> and you
> can toggle between them with Ctrl+F6 to compare.
>
> Alan Chuter
> achuter@teleservicios.com
> Fundosa Teleservicios (ONCE Foundation), Madrid, Spain
> ONCE (Spanish National Organization of the Blind)
>
>
>
Received on Monday, 17 June 2002 10:23:29 GMT

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