Re: Color and colorblindness

[Robert Lauriston <robert -at- lauriston -dot- com>]

Here's a good summary of ANSI Z535.5 regarding the differences between
DANGER, WARNING, and CAUTION:

http://www.mysafetysign.com/SAFE/Danger_Caution_Warning_Safety_Signs_Headers.asp

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 (http://www.stcsig.org/usability/topics/colorblind.html, 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.
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