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Re: WebAIM-Forum Digest, Vol 70, Issue 5

for

From: Elle
Date: Jan 8, 2011 9:27PM

Hi, Jennison:

After a day of research in attempts to meet CMS requirements, Section 508
compliance, and WCAG 2.0 and still use san serif EM fonts for usability
purposes, our team determined the following (if anyone has corrections, we
welcome them):


- Assumption: Any font described in pt was primarily generated with print
in mind.
- Ratio: Times New Roman font 12 pt font (our CMS requirement) is equal
to Arial 10.4 pt font (keeping in mind that this is still print).
- Times New Roman 12pt print font is equal to Times New Roman 16px web
font, also equal to Times New Roman 1em.
- If the ratio of Times New Roman to Arial is 1em: .75em, then Times New
Roman 16px is equal to 14px Arial*.




*We saw a fine line between 13px Arial and 14px Arial visually, because both
could feasibly be the counterpart to 16px Times New Roman, but we eventually
decided on 14px Arial to err on the side of senior friendly usability.

With that said, we're still trying to use EMs to define font size and
performing a lot of cross-browser testing to ensure the default readability
of the web pages on our Medicare site.


Hope that helps!
~Elle






therefore...

Times New Roman 1 em = 1.25 em Arial
and...
Times New Roman = 12px

So, because we use Arial (and other sans serif fonts), we determined
contrast as follows:
Anything below Times New Roman 18 pt font (

---------- Forwarded message ----------
From: "Jennison Mark Asuncion" < <EMAIL REMOVED> >
To: <EMAIL REMOVED>
Date: Fri, 7 Jan 2011 17:25:56 -0500
Subject: [WebAIM] px-based fonts
Hello,

In the two checkpoints below, WCAG 2.0 refers to pt-based fonts (14pt and
18pt). Is there a set of equivalent px-based fonts that can be used
instead?
* 1.4.3 Contrast (Minimum): The visual presentation of text and
images of text has a contrast ratio of at least 4.5:1, except for the
following: (Level AA)
* 1.4.6 Contrast (Enhanced): The visual presentation of text and
images of text has a contrast ratio of at least 7:1, except for the
following: (Level AAA)

Jennison


--
Jennison Mark Asuncion
Co-Director, Adaptech Research Network <www.adaptech.org>
LinkedIn at <www.linkedin.com/in/jennison>