Color Picker with History

Pick colors from any page, save to a palette.

dev
PlugThis prompt
Build a Chrome extension called "Color Picker" that activates an eyedropper over any page. Use the EyeDropper API where available, fallback to a canvas screenshot scan. On click, capture the hex/rgb/hsl color, copy to clipboard, and append to a saved palette in chrome.storage. Popup shows the palette with copy-on-click, named groups, and export as JSON or CSS variables. Permissions: storage, activeTab. Manifest V3.

How to build it in 3 minutes

  1. Sign in to PlugThis and open the chat input.
  2. Copy the prompt above and paste it into the chat.
  3. PlugThis generates the full Manifest V3 extension in 60-90 seconds.
  4. Download the zip, extract it, and load it via chrome://extensions developer mode.

Related ideas

JSON Pretty Printer

Format JSON inline on any page.

API Endpoint Tester

Quick API request runner from the toolbar.

CSS Inspector Pro

Better element inspection with copy-to-clipboard.

GitHub Repo File Counter

Show line counts and file types for any repo.

← Back to all 50+ Chrome extension ideas