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Re: How were the WCAG contrast ratios determined

for

From: Tim Harshbarger
Date: Feb 12, 2016 7:02AM

The "Understanding" page for success criteria 1.4.3 (Contrast [Minimum]) provides rationale for the numbers:
http://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-contrast.html


I just reread the entry. To me, it seems like the ratios would stay the same despite changes in luminance of monitors. What might change is how the ratio is calculated.