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The comment from Andrew Somers[1] there is well worth a read. The salient quote here is > The method used for the WCAG 2.x contrast is, as I’ve discussed elsew
by zokier 7y ago
The comment from Andrew Somers[1] there is well worth a read. The salient quote here is
> The method used for the WCAG 2.x contrast is, as I’ve discussed elsewhere, inconsistent with human perception models
[1] https://uxmovement.com/buttons/the-myths-of-color-contrast-accessibility/#comment-92567 https://uxmovement.com/buttons/the-myths-of-color-contrast-a...
- mark-r 7y agoThanks for pointing that out, I missed it. It's refreshing to hear from someone who seems to know what they're talking about; I've looked at the WCAG document itself and haven't found a lot of justification for their recommendations.
- jacobolus 7y agoYou should think of it as a weak heuristic pointing in vaguely the right direction, rather than a careful scientifically validated metric. Similar in its technical sloppiness the “color rendering index” advertised on light bulbs.