Examine source code of Blue for everything

{
  "name": "Blue for everything",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "Untfdfitled.jpg"
    },
    "colors": {
      "frame": "rgba(43, 91, 194, 1)",
      "tab_background_text": "rgba(38, 138, 138, 1)",
      "toolbar": "rgba(78, 92, 204, 1)",
      "bookmark_text": "rgba(0, 191, 255, 1)",
      "toolbar_field": "rgba(12, 12, 112, 1)",
      "toolbar_field_text": "rgba(49, 110, 166, 1)"
    }
  }
}