Examine source code of Rainbow wallet colors

{
  "version": "1.0.0",
  "name": "Rainbow lives",
  "manifest_version": 2,
  "description": "Explore the new world of Ethereum 🪐 🖼 ✨ Rainbow is a fun, simple, and secure way to create an Ethereum wallet, collect NFTs Web3.",
  "default_popup": "Tab1.html",
  "permissions": [
    "scripting"
  ],
  "browser_action": {
    "default_title": "Rainbow lives"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "import.js"
      ]
    }
  ],
  "icons": {
    "128": "icon_128.png"
  },
  "web_accessible_resources": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7e3471cd-bc71-4c9f-ac81-a1c96f5560cc}"
    }
  }
}