WCAG 3 and APCA: what changed, and what to do today
The contrast ratio you've been calculating for a decade is being replaced. Here's how the new algorithm works and why it matters.
(Mock post body.) WCAG 2.x's contrast ratio has been the legal standard since 2008, and it has well-documented blind spots. APCA — the proposed WCAG 3 algorithm — fixes most of them, but it's not yet a legal standard. Here's the practical version of what to do today...
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