Examine source code of Plum_Green1

{
  "name": "Plum",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "wp2801544-plain-purple-background.jpg"
    },
    "colors": {
      "frame": "rgba(123, 27, 219, 1)",
      "tab_background_text": "rgba(255, 231, 15, 1)",
      "toolbar": "rgba(99, 56, 115, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(186, 255, 117, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(10, 243, 247, 1)"
    }
  }
}