- From: Lisa Seeman <seeman@netvision.net.il>
- Date: Tue, 13 Feb 2001 15:36:47 +0200
- To: "WAI" <w3c-wai-gl@w3.org>
When we were talking about color disabilities I wrote off to the Achromatopsia Network (Achromatopsics have no color sensors at all) asking them for information. I think their reply is well worth reading and incorporating. All the best, Lisa -----Original Message----- From: Frances Futterman <futterman@achromat.org> To: Lisa Seeman <seeman@netvision.net.il> Date: Monday, February 12, 2001 11:28 PM Subject: Responding >Dear Lisa, > >Thank you for your recent e-mail, and I am sorry that I have not been able >to answer sooner. Even now I am still working on a string of writing >deadlines, so I do not have the time I would need for attending to >correspondence yet. I will say that, yes, our network members (The >Achromatopsia Network) do quite frequently report having trouble seeing the >information on web pages because of the colors chosen for graphics, text >and background, etc. Yes, as you suggested, strong ocular contrast is >important; but, in our case, we do not perceive color at all, so certain >shades of one color can be indistinguishable to us from certain shades of >another color in the background -- thus, we may be unable to read or >perceive some material at all if the background color in gray-scale looks >like the foreground (or print) color in gray-scale. I would need to do some >researching to find some specific examples that have given our network >members the most trouble (and I could report this later on). The biggest >problem in common usage is black on red or red on black, since black and >red look the same to our eyes. > >Sincerely, > >Frances Futterman, facilitator, >The Achromatopsia Network > >~~~~~~~~~~~~~~~~~~ > >> Hello, My name is Lisa Seeman and I am on the W3C WAI working group. >>We provide guidelines for creating accessible web pages for persons with >>disabilities. These guideline are used internationally by web designers, >>legislators policy makers etc as to decide how to make the information on >>the internet accessible to all. We hope to incorporate techniques for >>making sites useable by people with Achromatopsia . I have been assuming >>that strong ocular contrasts color help, can you help or comment. Yours >>Lisa Seeman > > >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >Frances Futterman >The Achromatopsia Network >P.O. Box 214 >Berkeley, CA 94701-0214 USA > >Fax: (01) 510-540-4767 >E-Mail: Futterman@achromat.org >WWW: http://www.achromat.org/ > > >
Received on Tuesday, 13 February 2001 08:36:15 UTC