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SV: Color coding

From: Morten Tollefsen <morten@medialt.no>
Date: Tue, 16 Feb 2010 11:04:11 +0100
Message-ID: <EDA91A2F291B104FA26F01B9300235E4410350@mlt-server-01.medialt.local>
To: "Jon Hanna" <jon@hackcraft.net>, "WAI Interest Group" <w3c-wai-ig@w3.org>

Just a small comment and an idea. I'm blind and I'm not sure if the solution below is used on some sites or not.

Most screen readers do announce if links are local, so at least somebody think this is "important" information.

One alternative is to use another indication in addition to colors (e.g. small background images which do not make the site more unfriendly to screen readers).

Screen magnifiers handle local links in different ways, e. g. the enlarged area is not necessarily moved to the correct local anchor. For severely visually impaired, it can therefore be useful to know if links are locale or not. Some severely visually impaired are also color blind. I suppose a variant with an icon can work fine.

Best regards

Morten Tollefsen
www.medialt.no, +47 908 99 305
MSN: mortentollefsen@hotmail.com, Skype: morten.tollefsen

-----Opprinnelig melding-----
Fra: w3c-wai-ig-request@w3.org [mailto:w3c-wai-ig-request@w3.org] På vegne av Jon Hanna
Sendt: 16. februar 2010 10:47
Til: WAI Interest Group
Emne: Re: Color coding

Ginger Claassen wrote:
> Dear all,
> I have a small problem. Currently I am working on my website and I was 
> thinking about color coding the links on the site - one color for 
> external links and one for links to content on my site. If the contrast 
> is sufficient enough staying in the suggested range would this still be 
> accessible for people who suffering from color blindness?

Avoid commonly confused colours, and don't use colour as the sole 
indicator of important information. I wouldn't consider whether a link 
is "external" or "internal" as important information, so as long as it 
was high-contrast, I would be too concerned beyond that.

Received on Tuesday, 16 February 2010 10:04:42 UTC

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