Examine source code of Cool Purple

{
  "name": "Cool Purple",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "5847f407cef1014c0b5e4889.png"
    },
    "colors": {
      "frame": "rgba(125, 28, 189, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(135, 92, 209, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(51, 0, 140, 1)",
      "toolbar_field_text": "rgba(97, 14, 240, 1)"
    }
  }
}