Examine source code of modern purple simple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Simple Purple",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(113, 93, 133)",
      "toolbar_text": "rgb(207, 191, 226)",
      "frame": "rgb(147, 121, 174)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(232, 223, 242)",
      "toolbar_field_text": "rgb(129, 130, 178)",
      "tab_line": "rgb(113, 93, 134)",
      "popup": "rgb(231, 231, 246)",
      "popup_text": "rgb(113, 93, 134)",
      "button_background_active": "rgb(53, 24, 87)",
      "button_background_hover": "rgba(0, 0, 0, 0.33)",
      "icons_attention": "rgb(54, 32, 79)",
      "icons": "rgb(52, 30, 78)",
      "ntp_background": "rgb(52, 30, 78)",
      "popup_border": "rgb(54, 31, 80)",
      "sidebar_highlight": "rgba(67, 39, 98, 0)",
      "tab_selected": "rgb(113, 93, 133)",
      "tab_loading": "rgb(113, 93, 134)"
    }
  }
}