Examine source code of Final Purple Dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Final Purple Dark",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(68, 41, 107)",
      "toolbar_text": "rgb(252, 251, 252)",
      "frame": "rgb(46, 16, 86)",
      "tab_background_text": "rgb(252, 251, 252)",
      "toolbar_field": "rgb(36, 18, 59)",
      "toolbar_field_text": "rgb(252, 251, 252)",
      "tab_line": "rgb(107, 59, 171)",
      "popup": "rgb(47, 0, 61)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(27, 9, 52)",
      "sidebar": "rgb(106, 59, 170)",
      "tab_background_separator": "rgb(106, 59, 170)",
      "tab_loading": "rgb(106, 59, 170)",
      "tab_selected": "rgb(36, 18, 59)",
      "tab_text": "rgb(252, 251, 252)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{11f01fce-4e43-48e6-ba63-f50df5ddf5be}"
    }
  }
}