What are these ratios and the letter sequences? | Hacker News

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		klapatsibalo on April 8, 2021 \| parent \| context \| favorite \| on: Surprisingly Slow What are these ratios and the letter sequences?

lifthrasiir on April 8, 2021 [–]

Ratios are contrast ratios [1] while letter sequences are WCAG 2.0 conformance levels (AAA is the highest).

[1] https://www.w3.org/TR/WCAG20/#contrast-ratiodef

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