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Re: Contrast ratio 4.5:1 applies to rollovers?

From: Samantha Bird <sbird@nmqa.com>
Date: Tue, 23 Oct 2012 09:37:33 +0100
Message-ID: <CABm2K39HH7FaXAJk+0MYyXW=tr7TB8DLPHNehckWW7vmNg-wkw@mail.gmail.com>
To: Harry Loots <harry.loots@ieee.org>
Cc: w3c-wai-ig@w3.org, Charles McCathie Nevile <chaals@yandex-team.ru>
Thanks all for the advice. I was assuming that the rollover state colour
should also be considered for the contrast rule, but I felt the need for a
second opinion.

Harry, you example has been particularly helpful and I may use these for
further examples when encouraging clients to consider accessibility.



On Tue, Oct 23, 2012 at 8:48 AM, Harry Loots <harry.loots@ieee.org> wrote:

> On 23 October 2012 07:22, Charles McCathie Nevile <chaals@yandex-team.ru>wrote:
>> On Mon, 22 Oct 2012 16:55:29 +0200, Samantha Bird <sbird@nmqa.com> wrote
>>> ...
>> 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.
> Hi Samantha
> I agree with Chaals, and here's an actual example of how a poorly
> implemented onfocus event caused a text entry field, used for filtering
> content on the page to become unusable:
> A developer decided that the onfocus text colour on an input field, should
> be changed to approx 60% black (from 100%) and that the onfocus background
> colour of pale yellow, was too insipid and changed it to pale blue-smoke
> colour.
> For many people this was only an irritation, as they had to strain their
> eyes a bit to ensure they had typed the words in correctly.
> One of our users, who has more serious problems coping with low contrast
> levels, was unable to read the text he was typing in.
> The net result was that he resorted to typing the query into notepad, then
> copying and pasting into the text entry field.
> Regards, Harry

Kind Regards,*

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Received on Tuesday, 23 October 2012 08:38:01 UTC

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