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Re: Color contrast (Minimum)

From: Gregg Vanderheiden <gregg@raisingthefloor.org>
Date: Tue, 16 Aug 2016 12:49:19 -0400
Cc: "SALES, TERRY LYNN" <TERRYLYNN.SALES@cbp.dhs.gov>, Duc Ta <duc.ta.740@my.csun.edu>, IG - WAI Interest Group List list <w3c-wai-ig@w3.org>
Message-Id: <99E02FE6-6F37-4BA5-BF9F-0355C320DBB5@raisingthefloor.org>
To: Elizabeth Pyatt <ejp10@psu.edu>
all information — including samples of text at different colors and contrasts is in the Understanding WCAG 2.0 doc

https://www.w3.org/TR/UNDERSTANDING-WCAG20/complete.html#visual-audio-contrast-contrast <https://www.w3.org/TR/UNDERSTANDING-WCAG20/complete.html#visual-audio-contrast-contrast>

see color contrast samples  link

gregg

> On Aug 16, 2016, at 12:21 PM, Elizabeth Pyatt <ejp10@psu.edu> wrote:
> 
> I’m curious as to what the colors of the background and text are.  I’m trying to see what a 3:1 ratio looks like and it looks different from what I see in the image.
> 
> Hope this makes sense.
> 
> Best
> Elizabeth Pyatt
>> On Aug 16, 2016, at 10:38 AM, SALES, TERRY LYNN <TERRYLYNN.SALES@cbp.dhs.gov> wrote:
>> 
>> I’d fail it but we apply the 4.5:1 to all text in DHS.  Functionally, it’s not readable.
>> 
>> Terry Lynn (TL) Sales
>> Section 508 and UI Tester
>> DHS/CBP/OIT/CSPD
>> 571-468-5271 Desk
>> 703-945-2777 B’Berry
>> 
>> From: Ta, Duc [mailto:duc.ta.740@my.csun.edu] 
>> Sent: Tuesday, August 16, 2016 10:19 AM
>> To: IG - WAI Interest Group List list <w3c-wai-ig@w3.org>
>> Subject: Color contrast (Minimum)
>> 
>> Hi,
>> 
>> I have a question. I know large text that pass color contrast ratio of 3:1 would pass the color contrast. Is it possible to consider this as failure if it is barely readable with black and white or color blinded people?
>> 
>> Example
>> <image001.png>
>> 
>> 
>> 
>> 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
> 
> 
Received on Tuesday, 16 August 2016 16:49:49 UTC

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