Re: Color and colorblindness

Subject: Re: Color and colorblindness
From: Robert Lauriston <robert -at- lauriston -dot- com>
To: techwr-l -at- lists -dot- techwr-l -dot- com
Date: Mon, 28 Sep 2009 09:35:08 -0700

Here's a good summary of ANSI Z535.5 regarding the differences between

Do the color choices in those images present any problems for people
with color blindness?

On Mon, Sep 28, 2009 at 7:30 AM, Nancy Allison <maker -at- verizon -dot- net> wrote:
> Hi, all. Once more, with content!
> I've just done a search for "color blindness" and "online documentation" and come up with a terrific stc page (, if you're interested).  Clearly, I have a lot of reading to do.
> I thought it would also be interesting to see if any of you incorporate color blindness into your online documentation design (or print doc, for that matter).
> This topic came to mind because I was wishing there was a way to make Danger! warnings (the ones where you're trying to keep people from killing themselves or each other) really pop on the page, or online.
> Color is out for the PDFs because so many people print them in black and white, so the most glaring colors in the world would simply be reduced to *less-visible* greys.
> But online . . . just wondering if anyone else has gone down this route and what you decided.

Free Software Documentation Project Web Cast: Covers developing Table of
Contents, Context IDs, and Index, as well as Doc-To-Help
2009 tips, tricks, and best practices.

Help & Manual 5: The complete help authoring tool for individual
authors and teams. Professional power, intuitive interface. Write
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Color and colorblindness: From: Nancy Allison

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