WCAG Color Contrast Tool

by Snipers.Recon · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

WCAG 2.2 Color Contrast Calculator & Color Grabber - Check text or image colors on any page

Users

−6 in 30 days

Rating

4.5 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#98K

#82K among extensions

Version

1.1

updated 6 Feb 2025

Users

monthly, 2 years

Latest, 16 Oct 2026: 65 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 16 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About WCAG Color Contrast Tool

This calculator will let you calculate WCAG 2.2 color contrast ratio & adjust colors to their needed contrast ratio. Enter color values or use the color dropper to get existing colors from a web page. The Contrast Checker will automatically calculate the contrast ratio. If the contrast ratio is below 3:1 or 4.5:1, buttons will become available to make the minimum adjustment to the given color value to reach 3:1 or 4.5:1 contrast ratio. This plugin is made to be fully WCAG 2.2 AA accessible. If you have any feature requests/ideas, or have any issues, please submit a support request with the "Visit Support Hub" button at the bottom of the page & I'll be happy to help with any updates or fixes.