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Re[3]: Colour Luminosity/Contrast for form inputs/controls/components

From: <josh@interaccess.ie>
Date: Wed, 02 Nov 2016 10:15:42 +0000
To: "josh@interaccess.ie" <josh@interaccess.ie>, "Patrick H. Lauke" <redux@splintered.co.uk>, w3c-wai-gl@w3.org
Message-Id: <em39a75fdc-adb2-4a2c-9629-da64a383318c@josh_machine>
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 10:13:24 UTC

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