4 ms·

WCAG guidelines: https://www.w3.org/WAI/WCAG21/quickref/?versions=2.0#qr-visual-audio-contrast-contrast https://www.w3.org/WAI/WCAG21/quickref/?versions=2.0#qr-

WCAG guidelines: https://www.w3.org/WAI/WCAG21/quickref/?versions=2.0#qr-visual-audio-contrast-contrast https://www.w3.org/WAI/WCAG21/quickref/?versions=2.0#qr-visu... the other commenter was right, 4.5:1 ratio minimum.

amluto 8y ago
How do they define contrast? Is it the actual linear light (gamma corrected) contrast or are that saying that, if R==G==B, then you want R1/R2 >= 4.5?