ColorCheck

by Mellow Solutions · mello2110.github.io · Workflow & Planning

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

Eyedropper, palette extractor & complementary color generator for web designers

Users

+1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#241K

#201K among extensions

Version

2.2.0

updated 9 Mar 2026

Users

monthly, 9 months

Latest, 17 Oct 2026: 6 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months

Latest, 17 Oct 2026: 0 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 ColorCheck

ColorCheck – Advanced color extraction with 3 modes. _________________________________________________________________________________________________ Eyedropper — Pick any color from any webpage with pixel-perfect precision. One click, instant copy. Palette Extraction — Drag to select a region and extract a harmonious 4-color palette. Choose between Palette mode (Primary, Base, Accent 1, Accent 2) or Accent mode for vibrant, visually distinct colors. Complementary Generator — NEW in v2.2.0! Enter any color code (HEX, RGB, or HSL) and instantly generate a split-complementary trio. See your base color alongside the true complement (180°), and two split-complements (150° / 210°). Click to copy, save to favorites, or auto-fill from your picked colors. Customizable — Choose your output format (HEX / RGB / HSL), save up to 50 favorites, access your recent color history, and switch between light and dark mode. _________________________________________________________________________________________________ 100% Offline & Private — No data collection, no tracking, no external requests. Everything stays on your device. _________________________________________________________________________________________________ Precision tool for web, UI/UX, and graphic design. Apache 2.0 licensed. Provided by Mellow Solutions.