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RE: A few issues with the proposed definition of contrast

From: Marco Bertoni <mbertoni@webaccessibile.org>
Date: Mon, 12 Mar 2007 13:24:23 +0100
To: w3c-wai-gl <w3c-wai-gl@w3.org>
Message-ID: <2007312132540.759149@marco-pc>

Don't forget that CSS3 value type (Basic User Interface Module) includes system colours:

http://www.w3.org/TR/css3-ui/#appearance0

Marco

Sean Hayes ha scritto:
>
> We can't, since css3 colour is only a CR, and has been for several years.
> Besides CSS3 colour introduces varying opacity in colours, which is not
> accounted for in the contrast model.
>
>
> Sean Hayes
> Standards and Policy Team
> Accessible Technology Group
> Microsoft
> Phone:
> mob +44 7977 455002
> office +44 117 9719730
>
> -----Original Message-----
> From: w3c-wai-gl-request@w3.org [mailto:w3c-wai-gl-request@w3.org] On Behalf
> Of Christophe Strobbe
> Sent: 12 March 2007 11:35
> To: w3c-wai-gl@w3.org
> Subject: Re: A few issues with the proposed definition of contrast
>
>
> Sean pointed out that the definition of colour is not testable with the use
> of system colours, since we don't know what the colours actually are.
>
> Tim Boland responded:
>
> From:
> http://www.w3.org/TR/CSS21/ui.html#system-colors
> System colors are deprecated in the CSS3 Color Module.
>
> But how do you prevent people from sticking to CSS 2, in which system colours
> are not deprecated?
>
> Best regards,
>
> Christophe
>
>
> --
> Christophe Strobbe
> K.U.Leuven - Departement of Electrical Engineering - Research Group on
> Document Architectures Kasteelpark Arenberg 10 - 3001 Leuven-Heverlee -
> BELGIUM
> tel: +32 16 32 85 51
> http://www.docarch.be/
>
>
> Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm
Received on Monday, 12 March 2007 12:28:14 GMT

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