Examine source code of Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "asdasdasd",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(73, 66, 84)",
      "toolbar_text": "rgb(219, 207, 232)",
      "frame": "rgb(98, 86, 115)",
      "tab_background_text": "rgb(219, 207, 232)",
      "toolbar_field": "rgb(98, 86, 115)",
      "toolbar_field_text": "rgb(226, 205, 255)",
      "tab_line": "rgb(219, 207, 232)",
      "popup": "rgb(62, 56, 72)",
      "popup_text": "rgb(209, 197, 222)",
      "tab_loading": "rgb(219, 207, 232)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f8d9aa70-7c7f-4720-961c-5ca9fac90b57}"
    }
  }
}