Colour Contrast Checker

Check the contrast between different colour combinations against WCAG standards

Compare the contrast ratio of two colours, background and foreground, on any webpage against the WCAG 2 AA and AAA levels for normal and large text. More information about understanding colour contrast: https://webaim.org/articles/contrast/ Features - Enter colours as hex codes or colour names, or adjust them with RGB and HSL sliders - Pick colours straight off the webpage with the eyedropper - Save up to 5 colour combinations (stored locally) to refer back to later - Reverse background and foreground colours - Copy a colour to the clipboard, or generate a share link for the pair After installing, reload any tab that was already open before the extension can run on it. On pages where extensions cannot run (browser settings, the Web Store) the icon shows a short message instead.