Examine source code of Solarized dark

{
  "name": "Solarized dark",
  "manifest_version": 2,
  "version": "2.1",
  "theme": {
    "colors": {
      "toolbar": "rgba(0, 43, 54, 1)",
      "toolbar_field": "rgba(7, 54, 66, 1)",
      "toolbar_field_text": "rgba(147, 161, 161, 1)",
      "frame": "rgba(7, 54, 66, 1)",
      "tab_background_text": "rgba(38, 139, 210, 1)",
      "bookmark_text": "rgba(38, 139, 210, 1)",
      "ntp_background": "rgba(0, 43, 54, 1)",
      "ntp_text": "rgba(133, 153, 0, 1)"
    }
  }
}