Examine source code of Destiny 2 Prophecy theme

{
  "name": "test",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "380607591a2318234d55535b9a968c7f.jpg"
    },
    "colors": {
      "frame": "rgba(252, 252, 252, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0.62)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(71, 62, 62, 0.63)"
    }
  }
}