A miniature version of this Contrast Checker can be initiated within any web page by installing and using the Contrast Checker Bookmarklet. This tool allows easy contrast testing of any content on your …

In this video from Making Color Usage Accessible, you’ll learn how to use WebAIM’s Contrast Checker to evaluate the contrast between text—or images of text—and background colors in documents.

Jun 29, 2020 · The WebAim Contrast Checker can help you check your color contrast. Use WebAim to check your text color and background for normal-sized and large-sized text, and WebAim will …

WCAG 2.1 level AA requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. This tool allows users to enter a foreground and background color to check if it meets WCAG requirements.

For those of you who do not regularly calculate luminosity by hand, we recommend using a color contrast checker to ensure that your color palate is accessible and compliant.

The score is measured up against WCAG AA and AAA guidelines, showing whether or not two colors have sufficient contrast between them to qualify as legible and accessible. Use the WebAIM contrast …

Oct 28, 2013 · Contrast Ratio: 1.7:1. Simply select or enter a foreground and background color in RGB hexadecimal format (e.g., #fd3 or #f7da39). Select the lighten and darken options to modify the …

Nov 4, 2025 · Color Contrast Checker – Use this color contrast checker to make sure that your foreground and background colors meet accessibility contrast ratio requirements.

How to: Color contrast checker We like the WebAIM color contrast checker because it includes an eyedropper tool that lets you sample colors from a graphic or image before you upload it to the web. …

Dec 2, 2021 · Check the contrast ratio and review the WCAG AA pass/fail grade for normal text, large text, and graphical objects and user interface components (when applicable).