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Re: Color contrast (Minimum)

From: Wayne Dick <waynedick@knowbility.org>
Date: Tue, 16 Aug 2016 12:42:39 -0700
Message-ID: <CAC9gL75DDaWrRawDiuVJzqBcn4cMK6_dfbK3umEeUiN4BBVQFw@mail.gmail.com>
To: Elizabeth Pyatt <ejp10@psu.edu>
Cc: "Ta, Duc" <duc.ta.740@my.csun.edu>, IG - WAI Interest Group List list <w3c-wai-ig@w3.org>
Whether this is an image or not it's 1.41:1. Fail it.

On Tue, Aug 16, 2016 at 12:20 PM, Elizabeth Pyatt <ejp10@psu.edu> wrote:

> So what were the original color values for the reds?
>
> I’m trying to understand how the contrast algorithm is effected when the
> example becomes black and white.
> If it’s a luminosity scale (i.e. values only are measured), then
> theoretically shifting or removing the hue should not matter. If it does,
> there is an issue that needs to be investigated.
>
> Hope this makes sense.
>
> Best
> Elizabeth
>
>
> > On Aug 16, 2016, at 3:06 PM, Andrew Kirkpatrick <akirkpat@adobe.com>
> wrote:
> >
> > From: "Ta, Duc" <duc.ta.740@my.csun.edu>
> > Date: Tuesday, August 16, 2016 at 13:53
> > To: Andrew Kirkpatrick <akirkpat@adobe.com>
> > Cc: WAI-IG <w3c-wai-ig@w3.org>
> > Subject: Re: Color contrast (Minimum)
> >
> > The actual color is dark red background and the text is red. However,
> when I check black and white mode, it turns out to be that so i am not sure
> whether I should consider it as a failure or I will say it is decent and
> move on.
> >
> >
> > Best,
> > Duc Ta
>
> =-=-=-=-=-=-=-=-=-=-=-=-=
> Elizabeth J. Pyatt, Ph.D.
> Instructional Designer
> Teaching and Learning with Technology
> Penn State University
> ejp10@psu.edu, (814) 865-0805 or (814) 865-2030 (Main Office)
>
> 3A Shields Building
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>
>
>
Received on Tuesday, 16 August 2016 19:43:08 UTC

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