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Re: Color contrast (Minimum)

From: Ta, Duc <duc.ta.740@my.csun.edu>
Date: Tue, 16 Aug 2016 15:40:07 -0400
Message-ID: <CAOcfqASA4jr6mf8EhAv5uwcYmM76jtJvRcybqeZtTupDcw4xgw@mail.gmail.com>
To: Elizabeth Pyatt <ejp10@psu.edu>
Cc: IG - WAI Interest Group List list <w3c-wai-ig@w3.org>
The color code for it is #CC0000 which clear indicates the contrast ratio
is 3.6 : 1. My question is if a person only see black and white which is
the applied effect then does the text considered to be a failure or we can
say it pass. Or may be I overthink the issue here.


Regards,
Duc Ta

On Tue, Aug 16, 2016 at 3:20 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
> University Park, PA 16802
> http://www.personal.psu.edu/ejp10/psu
> http://tlt.psu.edu
>
>


-- 

--------------------------------

Duc Ta

IT Consultant

Tel:   (323) 412-4894

www.dtaconsulting.org
Received on Tuesday, 16 August 2016 19:40:38 UTC

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