Color picker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Color picker",
  "description": "A color picker extension",
  "version": "1.0",
  "manifest_version": 3,
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "/images/color_48.png",
    "96": "/images/color_96.png"
  }
}