Re: Color Contrast (was RE: Coming to a decision on 2.2 - which has long since been lost in this thread)

I read Katie's "absolutely" as answering the question in Jon's mail, to 
mean that it failed 2.4.7 if it failed 2.1.1.

I do not agree with this statement.

Regards,
James


On 2/24/2016 11:55 AM, John Foliot wrote:
>
> ???
>
> James, I think I heard you echo back exactly what I think I heard Jon 
> and Katie in agreement on:
>
> IF SC2.1.1 = FAIL
>
> THEN SC 2.4.7 = Not Applicable
>
> (is everybody nodding yes in agreement? Or is the divergence that if 
> 2.1.1= FAIL, then 2.4.7 also = FAIL?)
>
> JF
>
> *From:*James Nurthen [mailto:james.nurthen@oracle.com]
> *Sent:* Wednesday, February 24, 2016 12:58 PM
> *To:* w3c-wai-gl@w3.org
> *Subject:* Re: Color Contrast (was RE: Coming to a decision on 2.2 - 
> which has long since been lost in this thread)
>
> I guess that is where interpretation is different.
>
> 2.4.7 explicitly states "for any keyboard operable control". If it 
> fails 2.1.1 it is not keyboard operable and 2.4.7 does not apply.
>
> Regards,
> James
>
>
> On 2/24/2016 10:50 AM, Katie Haritos-Shea wrote:
>
>     For me, absolutely, if you are going to the nth degree.
>
>     Katie Haritos-Shea
>     703-371-5545
>
>     On Feb 24, 2016 10:01 AM, "Jonathan Avila"
>     <jon.avila@ssbbartgroup.com <mailto:jon.avila@ssbbartgroup.com>>
>     wrote:
>
>         ØWe must be talking about different things. What I am saying,
>         for example; a non-text interactive control must meet multiple
>         SC, not one, not just 4.1.2 or 1.1.1 or 2.4.7 - but all of
>         them (and quite a few more).
>
>         Ah, yes, now I understand what you are saying.
>
>         Generally agree!  Next question might be if something is not
>         keyboard accessible for not being focusable (SC 2.1.1) then
>         does it also fail SC 2.4.7 (Focus Visible)?  If I fail
>         something on 2.1.1 for not being focusable I would not
>         generally fail it on 2.4.7.
>
>         Jonathan
>
>         *From:*Katie Haritos-Shea [mailto:ryladog@gmail.com
>         <mailto:ryladog@gmail.com>]
>         *Sent:* Wednesday, February 24, 2016 12:50 PM
>         *To:* Jonathan Avila
>         *Cc:* John Foliot; WCAG
>         *Subject:* RE: Re[2]: Color Contrast (was RE: Coming to a
>         decision on 2.2 - which has long since been lost in this thread)
>
>         Jon,
>
>         We must be talking about different things. What I am saying,
>         for example; a non-text interactive control must meet multiple
>         SC, not one, not just 4.1.2 or 1.1.1 or 2.4.7 - but all of
>         them (and quite a few more).
>
>         And failure to meet any of those would be individual failures.
>         How one reports those failures can be accomplished in any
>         number of ways. But how we explain the failures informs both
>         developers, QA and others.
>
>         Katie Haritos-Shea
>         703-371-5545 <tel:703-371-5545>
>
>         On Feb 24, 2016 8:06 AM, "Jonathan Avila"
>         <jon.avila@ssbbartgroup.com
>         <mailto:jon.avila@ssbbartgroup.com>> wrote:
>
>         ØThe 'merging' (in my mind 'combining' or just 'use') of all
>         relevant SC to  specific components/content-types/elements is
>         always how I have applied WCAG 2. I have been very surprised
>         that others *don't* do it that way....
>
>         I would certainly flag these as “issues” and indicate that
>         they need to be fixed – but strictly speaking there would be a
>         “advisory” caveat per the same way the understanding document
>         lists these as advisory.    It is our recommendation that they
>         be addressed but when it comes to technical conformance they
>         may not pose a failure.  They likely pose a risk to
>         organizations and that alone is sufficient to make sure they
>         are addressed.
>
>         Jonathan
>
>         *From:*Katie Haritos-Shea [mailto:ryladog@gmail.com
>         <mailto:ryladog@gmail.com>]
>         *Sent:* Wednesday, February 24, 2016 10:56 AM
>         *To:* John Foliot
>         *Cc:* David MacDonald; Léonie Watson; Sailesh Panchang; Andrew
>         Kirkpatrick; GLWAI Guidelines WG org; Gregg Vanderheiden RTF;
>         Jason J White; Paul J. Adam; Jim Allan; josh@interaccess.ie
>         <mailto:josh@interaccess.ie>; Jonathan Avila
>         *Subject:* RE: Re[2]: Color Contrast (was RE: Coming to a
>         decision on 2.2 - which has long since been lost in this thread)
>
>         The 'merging' (in my mind 'combining' or just 'use') of all
>         relevant SC to specific components/content-types/elements is
>         always how I have applied WCAG 2. I have been very surprised
>         that others *don't* do it that way....
>
>         Katie Haritos-Shea
>         703-371-5545 <tel:703-371-5545>
>
>         On Feb 24, 2016 7:15 AM, "John Foliot" <john.foliot@deque.com
>         <mailto:john.foliot@deque.com>> wrote:
>
>         Jonathan Avila wrote:
>         >
>         > > Why do you consider it a loophole? Is it not understood
>         that for focus
>         > > indicators need to satisfy colour contrast/luminosity ratios?
>         >
>         > We seem to all agree they should but this does not seem to
>         be directly
>         covered
>         > by the success criteria.
>
>         +1
>         While we, as "experts" understand this, it is not specifically
>         called out as
>         part of the requirement(s) - thus the gap (I consider it more
>         of a gap than
>         a "loophole") is something that should be addressed going
>         forward, either
>         via work from one of the TFs currently working (Low Vision
>         perhaps?)
>
>
>         > I believe a similar missing need exists When selection and
>         focus are
>         indicated by
>         > the difference in luminosity of background and not by
>         shape.    Consider a
>         > selected page tab that was medium gray and the others a
>         light gray.   The
>         > selected state is indicated by color difference and it's not
>         clear if SC
>         1.4.1 would
>         > apply.  Even if it did apply and some other marking was
>         added there is no
>         > requirement that the marking have sufficient contrast.
>
>         Hear, hear.... with the caveat that color alone is not the
>         only means of
>         providing that kind of visual feedback, so it is actually a
>         "merging" (as it
>         were) of both 1.4.1 AND the variant of 1.4.3 under discussion here
>
>
>         > Future updates or extensions need to clearly address
>         luminosity for visual
>         > indication of keyboard focus and address color differences
>         used for
>         selection.
>
>         +1
>
>         JF
>
> -- 
> Regards, James
>
> Oracle <http://www.oracle.com>
> James Nurthen | Principal Engineer, Accessibility
> Phone: +1 650 506 6781 <tel:+1%20650%20506%206781> | Mobile: +1 415 
> 987 1918 <tel:+1%20415%20987%201918> | Video: james.nurthen@oracle.com 
> <mailto:james.nurthen@oracle.com>
> OracleCorporate Architecture
> 500 Oracle Parkway | Redwood Cty, CA 94065
> Green Oracle <http://www.oracle.com/commitment>Oracle is committed to 
> developing practices and products that help protect the environment
>

-- 
Regards, James

Oracle <http://www.oracle.com>
James Nurthen | Principal Engineer, Accessibility
Phone: +1 650 506 6781 <tel:+1%20650%20506%206781> | Mobile: +1 415 987 
1918 <tel:+1%20415%20987%201918> | Video: james.nurthen@oracle.com 
<sip:james.nurthen@oracle.com>
Oracle Corporate Architecture
500 Oracle Parkway | Redwood Cty, CA 94065
Green Oracle <http://www.oracle.com/commitment> Oracle is committed to 
developing practices and products that help protect the environment

Received on Wednesday, 24 February 2016 20:02:49 UTC