Examine source code of PaletteLive

{
  "manifest_version": 3,
  "name": "PaletteLive",
  "version": "1.0.0",
  "description": "Extract, edit, and export color palettes from any website live.",
  "browser_specific_settings": {
    "gecko": {
      "id": "palettelive@mckesav.in",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "PaletteLive",
    "default_icon": {
      "16": "assets/icon16.png",
      "48": "assets/icon48.png",
      "128": "assets/icon128.png"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline'"
  },
  "background": {
    "scripts": [
      "utils/storage.js",
      "utils/colorUtils.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "utils/constants.js",
        "utils/colorUtils.js",
        "utils/colorNames.js",
        "utils/contrast.js",
        "utils/storage.js",
        "content/shadowWalker.js",
        "content/extractor.js",
        "content/injector.js",
        "content/dropper.js",
        "content/content.js"
      ],
      "all_frames": true,
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "assets/icon16.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  }
}