[thelist] Understanding CSS with 3 digit colors ?
Saila, Craig
csaila at globeandmail.ca
Wed Aug 20 13:31:28 CDT 2003
Rob Smith wrote:
> I've been trying to beef up my CSS skills and I've noticed something
> that I'm not real familiar with. Would someone please explain to me
> why people are defining colors with only 3 hex numbers? For example:
It's shorthand, and can be used when each of three colour values (R,G,B)
has an identical partner, so:
#FF6688 == #F68
#EEEEEE == #EEE
But values like #E5E5E5, #4169E1, #FFF0F5 cannot be shortened
As a rule-of-thumb, Web-safe colours can be shortened, while named
colours can't. Of course, some non-Web safe colours can be shortened,
and some named ones -- like Aqua (#00FFFF) -- can be.
More at:
<http://www.w3.org/TR/CSS2/syndata.html#value-def-color>
--
Cheers,
Craig Saila
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craig at saila.com : http://www.saila.com/
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