ColorCheck

Eyedropper, palette extractor & complementary color generator for web designers

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.