Examine source code of Iridescence

{
  "name": "Iridescence",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "iridescence banner.png"
    },
    "colors": {
      "frame": "rgba(25, 29, 112, 0.29)",
      "tab_background_text": "rgba(67, 224, 80, 1)",
      "toolbar": "rgba(26, 28, 107, 0.44)",
      "bookmark_text": "rgba(67, 224, 80, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(67, 224, 80, 1)"
    }
  }
}