Advanced Color Picker Plus

Pick colors from anywhere on the web page and more
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manifest.json
{
  "manifest_version": 2,
  "name": "Advanced Color Picker",
  "version": "1.0",
  "description": "Pick colors from anywhere on the web page and more",
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": "icon48.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d0db2ea9-1b2c-486b-8e9e-327b8af6fd80}"
    }
  }
}