Examine source code of lavender pattern

{
  "name": "lavender pattern",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "583691.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(77, 77, 77, 1)",
      "toolbar": "rgba(69, 69, 69, 1)",
      "bookmark_text": "rgba(38, 38, 38, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(48, 48, 48, 1)"
    }
  }
}