Re: [css-color] Comment from APA

On Wed, Aug 3, 2016 at 4:51 PM, Janina Sajka <janina@rednote.net> wrote:
> Colleagues:
>
> The Accessible Platform Architectures (APA) Working Group requests
> addition of the following section to the specification css color module
> level 4
> https://www.w3.org/tr/css-color-4/
>
> Accessibility Impact Statement
>
> Content authors should be mindful of requirements on color
> contrast as expressed in WCAG 2.0 Success Criterion 1.4.3:
> http://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-contrast.html
>
> . See also :
> https://www.w3.org/WAI/perspectives/contrast.html
>
> It is particularly important to be mindful of this requirement when a
> transparency is present because automated measurement is not available
> to quantatively and correctly judge whether sufficient contrast is being
> provided, thus requiring application of informed human judgement on a
> case by case basis.
>
> APA Consensus Documentation
>
> This request is a consensus position of APA as documented at:
> http://lists.w3.org/Archives/Public/public-apa/2016Aug/0008.html

Note that we already have a similar reference to WCAG 1.4.1:
<https://www.w3.org/TR/css-color-4/#notes>.  Just making sure y'all
really want to be adding an additional a11y notice to the spec, or if
y'all missed the existing one and it's enough.

~TJ