- From: Joshue O Connor <joshue.oconnor@cfit.ie>
- Date: Thu, 13 Mar 2014 08:12:40 +0000
- To: Shawn Henry <shawn@w3.org>
- CC: public-comments-wcag20@w3.org, Eric Eggert <ee@w3.org>, "EOWG (E-mail)" <w3c-wai-eo@w3.org>
Hi Shawn and all, > Actually, *the wording used throughout those WCAG pages* is "contrast > ratio" and "luminance contrast". "Color contrast" is only used once in > the main text, and twice in the future techniques -- which EOWG assumed > was just an oversight. [...] > In conclusion, EOWG's comment to WCAG WG was to correct the couple of > places where "color contrast" seemed to be a mistake. :) Ok, good stuff. Thanks for putting the issue on our radar and I look forward to working it out. Josh > Best, > ~Shawn > > > > On 3/12/2014 3:55 PM, Joshue O Connor wrote: >> Hi Shawn, >> >>> Please avoid the phrase "color contrast". >> >> <chair hat off> >> I'm happy to discuss this but it could be a big ask - essentially you >> are technically right but there is a common vernacular amongst >> developers and the term 'colour contrast' is well established as 'it' >> - largely based on the language traditionally used by WCAG it's worth >> noting. >> >> Also it's worth noting that even if light intensity is measured in >> lumens, and variations within RGB values represent (on screen) what we >> know as colour - as a 'cowpath' the term 'colour contrast' already has >> a lot of traction and common understanding so to switch now - or >> attempt to switch could create more dissonance than it is worth. >> >> My 2 cents >> >> Josh >> >>> Some places we've found it: >>> * >>> http://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-contrast.html >>> >>> >>> * >>> http://www.w3.org/TR/2008/WD-UNDERSTANDING-WCAG20-20080430/visual-audio-contrast-contrast.html >>> >>> >>> >>> Additionally, several pages include "color contrast" in the Resources >>> listings. We wonder if it would be worthwhile to add a note there, e.g., >>> something along the lines of what we have at >>> <http://www.w3.org/WAI/eval/preliminary#contrast>: This accessibility >>> requirement is sometimes called sufficient "color contrast"; however, >>> that is incorrect — technically it's "luminance contrast"... >>> >>> Thanks, >>> Shawn for EOWG >>> >>> >> >> >> >> > >
Received on Thursday, 13 March 2014 08:13:12 UTC