Examine source code of Muted Olive Drab

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Muted Olive Drab",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(148, 163, 123)",
      "toolbar_text": "rgb(243, 243, 243)",
      "frame": "rgb(102, 129, 83)",
      "tab_background_text": "rgb(164, 164, 164)",
      "toolbar_field": "rgb(243, 243, 243)",
      "toolbar_field_text": "rgb(72, 73, 80)",
      "tab_line": "rgba(255, 180, 0, 0.5)",
      "popup": "rgb(243, 243, 243)",
      "popup_text": "rgb(72, 73, 80)",
      "tab_loading": "rgba(255, 180, 0, 0.5)"
    }
  }
}