Articles tagged "Accessibility"

Posts on Orankit tagged "Accessibility". 1 article.

WCAG contrast ratio 4.5:1: where the number comes from and what implementations miss

The origin of the 4.5:1 contrast ratio in WCAG, the relative-luminance formula behind it, AA vs AAA levels, and the thresholds for different text sizes.

Apr 26, 2026 4 min read