Examine source code of Green8

{
  "name": "Green",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "New Project.png"
    },
    "colors": {
      "toolbar": "rgba(4, 66, 57, 1)",
      "toolbar_field": "rgba(3, 51, 44, 1)",
      "toolbar_field_text": "rgba(7, 129, 112, 1)",
      "frame": "rgba(3, 53, 46, 1)",
      "tab_background_text": "rgba(7, 129, 112, 1)",
      "bookmark_text": "rgba(7, 129, 112, 1)"
    }
  }
}