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Re: Contrast Checker for rgba Color Values (and hello from a new list subscriber)

for

From: Patrick H. Lauke
Date: Aug 25, 2014 2:37AM


On 25/08/2014 09:23, Jens O. Meiert wrote:
>> The website I'm looking at is http://worldnpa.org and the color contrast
>> I'm looking at is a font color of rgba(0,0,0,0.7) on a background color of
>> #7EBEC5
>
> Just looking at this from a tool perspective I wonder whether WebAIM's
> own [1] is more helpful here?

No, as that doesn't deal with alpha/transparency (unless you first
somehow calculate what rgba(0,0,0,0.7) over #7EBEC5 actually translates
to, color-wise...which is not an obvious/simple calculation.

> (I collect tools like that on http://uitest.com/, so if anyone has
> even better ones, please ping me off-thread. Cheers!)
>
>
> [1] http://webaim.org/resources/contrastchecker/
>

P
--
Patrick H. Lauke

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