Examine source code of rosegold-simple

{
  "name": "rosegold",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "rosegold-bkgd.png"
    },
    "colors": {
      "frame": "rgba(205, 163, 151, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(239, 202, 194, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(249, 235, 234, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  }
}