W3C home > Mailing lists > Public > w3c-wai-ig@w3.org > October to December 2012

Re: Contrast ratio 4.5:1 applies to rollovers?

From: Lea Verou <lea@w3.org>
Date: Tue, 23 Oct 2012 18:30:04 +0300
Cc: w3c-wai-ig@w3.org, "Samantha Bird" <sbird@nmqa.com>
Message-Id: <119BD8EA-D130-4516-B1E4-DD83F53D1F02@w3.org>
To: Charles McCathie Nevile <chaals@yandex-team.ru>
What about the opposite? I.e., if text in a rollover and/or focused state has sufficient contrast ratio, but not in the normal state. 
This is commonly used for secondary elements to avoid having them distract from the main content, so I think it's also an interesting question.

Lea Verou
W3C developer relations
http://w3.org/people/all#leahttp://lea.verou.me ✿ @leaverou






On Oct 23, 2012, at 08:22, Charles McCathie Nevile wrote:

> On Mon, 22 Oct 2012 16:55:29 +0200, Samantha Bird <sbird@nmqa.com> wrote:
> 
>> Hi All,
>>> I just wanted to check the rules for contrast ratios when it comes to rollovers. As far as I know in order to meet level AA, >the contrast ratio must meet 4.5:1 except in the following circumstances:
> [...]
>> I am not sure if rollover states would come under the 'incidental' rule or whether the contrast ratio does not need to be >taken into account for rollover states as the rollover just emphasises a change in state. Any guidance here would be much >appreciated.
> 
> Hi Samantha,
> 
> typically text in a rollover state is actually the most important text on a page at that moment. So no exception would apply, and it is actually extra important that something being highlighted is clear enough to read.
> 
> cheers
> 
> Chaals
> 
> -- 
> Charles McCathie Nevile - Consultant (web standards) CTO Office, Yandex
>        chaals@yandex-team.ru         Find more at http://yandex.com
> 
Received on Tuesday, 23 October 2012 15:30:18 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Tuesday, 23 October 2012 15:30:19 GMT