Contrast ratios in practice
The WCAG formula compares relative luminance. Body text needs at least 4.5:1, large text 3:1. Secondary text often fails first, because designers lighten it until it looks elegant.
Colour palettes for reading-heavy pages, with contrast numbers.
The WCAG formula compares relative luminance. Body text needs at least 4.5:1, large text 3:1. Secondary text often fails first, because designers lighten it until it looks elegant.