Wcag Color Contrast Checker Chrome. Almost any type of file you can open in chrome including image and pdf files can be evaluated for text color contrast too. Visual contrast is an easy concept to understand.
Wcag 2 0 level aa requires a contrast ratio of at least 4 5 1 for normal text and 3 1 for large text. It checks the color contrast between the foreground and background of the elements that are in the page according to the wcag 2. Wcag 2 1 guidelines state that colors should have a text to background contrast ratio of 4 5 1 for normal text and 3 1 for large text and non text elements such as form fields and other interactive elements to meet basic aa requirements or 7 1 for normal text and 4 5 1 for large text and non text elements to meet the stricter aaa requirements always aim for strict.
Wcag 2 0 level aa requires a contrast ratio of at least 4 5 1 for normal text and 3 1 for large text.
New in version 1 1. Today we re going to take a look at an extension for google chrome called colour contrast checker. Enter a foreground and background color in rgb hexadecimal format e g fd3 or f7da39 or choose a color using the color picker. It checks the color contrast between the foreground and background of the elements that are in the page according to the wcag 2.
