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

[Simius Puer]

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.


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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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