Examine source code of Functional Purple Shades

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Functional Purple Shades",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(101, 88, 118)",
      "toolbar_text": "rgb(210, 210, 227)",
      "frame": "rgb(72, 50, 100)",
      "tab_background_text": "rgb(219, 219, 243)",
      "toolbar_field": "rgb(58, 40, 81)",
      "toolbar_field_text": "rgb(158, 163, 254)",
      "tab_line": "rgba(57, 34, 85, 0.86)",
      "popup": "rgb(71, 46, 100)",
      "popup_text": "rgb(219, 219, 243)",
      "tab_loading": "rgba(57, 34, 85, 0.86)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{368a9c58-a264-4f81-9a24-a4175b7f2443}"
    }
  }
}