The Web Content Accessibility Guidelines (WCAG) establish minimum ratios of contrast for small and large text. Aim to pass the WCAG AA requirements for your text size, which are 3:1 for large text and ...

We must achieve a contrast ratio of 4.5:1 for normal sized text (standard links, body copy, etc.) and 3:1 for large text. Large text is defined as: Bold font weight with an 18px or larger font size, ...

The key to a great picture lies in contrast ratios but a higher number isn't always better Whether you already have a television or you’re in the market for a new one (or projector, camera ...