[CEUD-ICT] WCAG 2.0 "Images of Text" guidelines, and text in logos

Wed Apr 21 17:57:10 IST 2010

Mark, Andrew,

Thanks for your answers.

Andrew, I remember a discussion about identifying a language change in an
image's alternate text here a couple of years ago [1]. Who needs
WebAIM?! :-)

[1] http://list.universaldesign.ie/pipermail/ceud-ict/2008/001699.html

Regards,
Alan.
_
Alan Dalton
Accessibility Development Advisor for EtA http://www.nda.ie/eta
Access Officer for NDA http://www.nda.ie

Address: National Disability Authority, 25 Clyde Road, Dublin 4.
E-mail: amdalton at nda.ie
Telephone: 01-6080 406
_

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             19/04/2010 22:22                                      Subject 
                                       Re: [CEUD-ICT] WCAG 2.0 "Images of  
                                       Text" guidelines,       and text in 
             Please respond to               logos                         
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Totally - this is accessibility basics 101.

No one would take the WCAG seriously if they told you "you can't use your
own logo".  Now the alt-text on a logo with multiple languages, that's
another matter as there is no mechanism for changing lang="" mid-alt-text.
There was some discussion about that on WebAIM mailing list a while back
and the archives are publicly available if you need it.

_____________________
Andrew Hart
Simius Web Ltd

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On 19 April 2010 16:52, Mark Magennis <Mark.magennis at ncbi.ie> wrote:
  The WCAG2.0 statement of criteria 1.4.9 is:

  1.4.9 Images of Text (No Exception): Images of text are only used for
  pure decoration or where a particular presentation of text is essential
  to the information being conveyed. (Level AAA)
  Note: Logotypes (text that is part of a logo or brand name) are
  considered essential.

  So logotypes can be considered essential and, as such, do not contravene
  this success criterion. Which puts you in the clear doesn't it?

  Mark

  On 19 Apr 2010, at 13:38, Alan M. Dalton wrote:

  >
  > Hi all,
  >
  > I'd appreciate your opinions on text in logos, and the Web Content
  > Accessibility Guidelines (WCAG) 2.0. WCAG 2.0 has 2 guidelines that
  discuss
  > using images of text. They are:
  > - 1.4.5 Images of Text [1];
  > - 1.4.9 Images of Text (No Exception) [2].
  >
  > As Jeffrey Veen said in "The Art and Science of Web Design" (10 years
  ago),
  > "Text is text. Graphics are graphics" [3]. WCAG 2.0 guideline 1.4.5
  > basically says that webpages should have text instead of images of
  text,
  > but that webpages can have images of text if the user will be able to
  > change the appearance of that text, and that webpages can have images,
  such
  > as logos, if the presentation of the text is essential. WCAG 2.0
  guideline
  > 1.4.9 is stricter, and basically says that webpages should have text
  > instead of images of text, but that webpages can have images of text,
  such
  > as logos, if the presentation of the text is essential.
  >
  > I'm wondering about the text in logos such as ours (in the National
  > Disability Authority) [4]. The top two-thirds of our logo has "n", "D",
  and
  > "A" as large letters, in an unusual sans-serif font. The bottom thirds
  of
  > our logo has the words "National Disability Authority" in a bold,
  > sans-serif font, and the words "Údarás Náisiúnta Míchumais" in a
  sans-serif
  > font. We use that logo on our headed paper, and in our publications and
  > presentations. I think our website conforms to guidelines 1.4.5 and
  1.4.9,
  > even though there is text in our logo. I know a huge number of Irish
  > websites have the same issue.
  >
  > Has anybody any thoughts on that? I'd be interested to hear your
  opinions.
  >
  > [1]
  >
  http://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-text-presentation.html

  > [2]
  >
  http://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-text-images.html

  > [3] http://thefarawayplaces.com/class/layout/1.html
  > [4] http://www.nda.ie/resourcenew.nsf/images/ndalogo.gif
  >
  > Regards,
  > Alan.
  > _
  > Alan Dalton
  > Accessibility Development Advisor for EtA http://www.nda.ie/eta
  > Access Officer for NDA http://www.nda.ie
  >
  > Address: National Disability Authority, 25 Clyde Road, Dublin 4.
  > _
  >
  >
  >
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