Salesforce Colored Favicons

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Salesforce Colored Favicons",
  "description": "Updates the standard favicon on Salesforce tabs with colored versions to help differentiate between different organizations.",
  "version": "2.0.15",
  "icons": {
    "128": "icon128.png"
  },
  "permissions": [
    "storage"
  ],
  "options_page": "options.html",
  "content_scripts": [
    {
      "matches": [
        "https://*.salesforce.com/*",
        "https://*.force.com/*",
        "https://*.visualforce.com/*",
        "https://*.salesforce.mil/*",
        "https://*.crmforce.mil/*",
        "https://*.sandbox.my.salesforce-sites.com/*",
        "https://*.salesforce-setup.com/*"
      ],
      "js": [
        "contentscript.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "favicon.ico",
        "favicon-s.ico",
        "favicon-dx.ico"
      ],
      "matches": [
        "https://*.salesforce.com/*",
        "https://*.force.com/*",
        "https://*.visualforce.com/*",
        "https://*.salesforce.mil/*",
        "https://*.crmforce.mil/*",
        "https://*.sandbox.my.salesforce-sites.com/*"
      ]
    }
  ]
}