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Re[6]: Colour Luminosity/Contrast for form inputs/controls/components

From: <josh@interaccess.ie>
Date: Wed, 02 Nov 2016 11:01:48 +0000
To: "Katie Haritos-Shea" <ryladog@gmail.com>
Cc: "Patrick Lauke" <redux@splintered.co.uk>, WCAG <w3c-wai-gl@w3.org>
Message-Id: <em5d0853ef-4326-41ae-8a4a-6d5b188d03f3@josh_machine>
Great Katie - thanks for the background and for your +1 to addressing 
this area in 2.1 somehow.
Its good from this thread I've learned that there is a gap.

Josh

------ Original Message ------
From: "Katie Haritos-Shea" <ryladog@gmail.com>
To: "Joshue O Connor" <josh@interaccess.ie>
Cc: "Patrick Lauke" <redux@splintered.co.uk>; "WCAG" <w3c-wai-gl@w3.org>
Sent: 02/11/2016 10:34:06
Subject: Re: Re[4]: Colour Luminosity/Contrast for form 
inputs/controls/components

>Josh,
>
>We can't extend a SC from 2.0. We can add a new additional one for 2.1.
>
>I don't recall a discussion about UI components and color contrast, it 
>could be we had too much else to worry about.
>
>Many have wanted and frankly needed a SC like this to cover UI 
>controls. So I would totally agree with  creating a new one for 2.1.
>
>Katie Haritos-Shea
>703-371-5545
>
>
>On Nov 2, 2016 6:22 AM, "josh@interaccess.ie" <josh@interaccess.ie> 
>wrote:
>>Some further thoughts:
>>
>>In terms of minimums for 'inactive UI' components - they should really 
>>already have IMO a relatively high
>>ratio as the provide a visual level of affordance to the end user. So 
>>things being greyed out etc until they are
>>active/selected should be as high as possible - and then obviously 
>>higher when 'selected/active'.
>>
>>Josh
>>
>>------ Original Message ------
>>From: "josh@interaccess.ie" <josh@interaccess.ie>
>>To: "josh@interaccess.ie" <josh@interaccess.ie>; "Patrick H. Lauke" 
>><redux@splintered.co.uk>; w3c-wai-gl@w3.org
>>Sent: 02/11/2016 10:15:42
>>Subject: Re[3]: Colour Luminosity/Contrast for form 
>>inputs/controls/components
>>
>>>For any of the long serving WG members, do they know why there is no 
>>>explicit colour luminosity requirements for UI components? That would 
>>>be interesting for some context and then we can take it from there?
>>>
>>>Thanks
>>>
>>>Josh
>>>
>>>------ Original Message ------
>>>From: "josh@interaccess.ie" <josh@interaccess.ie>
>>>To: "Patrick H. Lauke" <redux@splintered.co.uk>; w3c-wai-gl@w3.org
>>>Sent: 02/11/2016 10:10:51
>>>Subject: Re[2]: Colour Luminosity/Contrast for form 
>>>inputs/controls/components
>>>
>>>>Thanks Patrick.
>>>>
>>>>------ Original Message ------
>>>>From: "Patrick H. Lauke" <redux@splintered.co.uk>
>>>>To: w3c-wai-gl@w3.org
>>>>Sent: 02/11/2016 10:01:05
>>>>Subject: Re: Colour Luminosity/Contrast for form 
>>>>inputs/controls/components
>>>>
>>>>>On 02/11/2016 09:58, josh@interaccess.ie wrote:
>>>>>>Currently SC 1.4.1 states:
>>>>>>
>>>>>>*1.4.1
>>>>>><http://www.w3.org/TR/2008/REC-WCAG20-20081211/#visual-audio-contrast-without-color>
>>>>>>Use of Color:* Color is not used as the only visual means of 
>>>>>>conveying
>>>>>>information, indicating an action, prompting a response, or
>>>>>>distinguishing a visual element. (Level A)
>>>>>>
>>>>>>To me that would be better as:
>>>>>>
>>>>>>*1.4.1
>>>>>><http://www.w3.org/TR/2008/REC-WCAG20-20081211/#visual-audio-contrast-without-color>
>>>>>>Use of Color:*Color is not used as the only visual means of 
>>>>>>conveying
>>>>>>information, indicating an action, prompting a response, or
>>>>>>distinguishing a visual element but when it is use a minimum level 
>>>>>>of
>>>>>>4.5:1  to indicate UI/interactive components (Level A)
>>>>>
>>>>>I think this is mixing two separate issues here though...
>>>>May be so.
>>>>
>>>>>you're trying to crowbar a dependency on 1.4.3 into 1.4.1.
>>>>Not really. I'm just referencing what is there. Actually it looks to 
>>>>me like a fresh SC for colour luminosity of UI components may be 
>>>>needed. This may be something that the LVTF is looking at but I 
>>>>don't know OTTOMH.
>>>>
>>>>J
>>>>
>>>>>At a stretch, I'd say you should move this into a note, rather than 
>>>>>the normative text, as a reminder to also check 1.4.3 in any 
>>>>>case...but it feels like you're special-casing this (otherwise, why 
>>>>>not also say "oh, and make sure it's keyboard accessible..." etc)
>>>>>
>>>>>P
>>>>>-- Patrick H. Lauke
>>>>>
>>>>>www.splintered.co.uk | https://github.com/patrickhlauke
>>>>>http://flickr.com/photos/redux/ | http://redux.deviantart.com
>>>>>twitter: @patrick_h_lauke | skype: patrick_h_lauke
>>>>>
>>>>
>>>>
>>>
>>
>>
Received on Wednesday, 2 November 2016 10:59:04 UTC

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