Examine source code of Thunderbirds Colours

{
  "name": "hfx thunderbirds",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Halifax-Thunderbirds-logo.png"
    },
    "colors": {
      "frame": "rgba(89, 45, 139, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(241, 89, 34, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(161, 174, 172, 1)",
      "toolbar_field_text": "rgba(64, 21, 100, 1)",
      "tab_line": "rgba(179, 66, 21, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d92659a9-5bbd-4467-805c-0751f0433cfd}"
    }
  }
}