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Re: Color Contrast

for

From: Lauren O'Donovan
Date: Jun 3, 2009 10:30AM

Not really sure about the full answer to your question, but as I'm aware
best practice says that sizes shouldn't be fixed in pixels for anything.
Sizes should be relative to allow assistive technologies and small devices
properly interact with the page.

~Lauren

On Wed, Jun 3, 2009 at 5:20 PM, David Ashleydale < <EMAIL REMOVED> >wrote:

> I really love the Color Contrast
> Checker<http://webaim.org/resources/contrastchecker/>;,
> but I have a question about the WCAG 2.0 requirements. It mentions the font
> sizes 18 point and 14 point. If I were to write this requirement in pixels,
> should I use 24 pixels and 19 pixels, respectively? Point size seems to
> depend on screen resolution. For 72 ppi, 14 point and 14 pixels are the
> same
> size. But at 96 ppi, 14 point is closer to 19 pixels.
>
> Does the WCAG 2.0 checkpoint mean to depend on the screen resolution in
> this
> way? I'm working with our brand department on a color palette and I need to
> let them know which text/background color combinations provide enough
> contrast, but first they need to know what 18 point and 14 point mean.
>
> Thanks,
> David
>