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Re: avoid "color contrast"

From: Joshue O Connor <joshue.oconnor@cfit.ie>
Date: Thu, 13 Mar 2014 08:12:40 +0000
Message-ID: <53216878.8080304@cfit.ie>
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

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