Examine source code of neon purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "neon purple",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(24, 24, 24)",
      "toolbar_text": "rgb(227, 227, 227)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(227, 227, 227)",
      "toolbar_field": "rgb(148, 0, 255)",
      "toolbar_field_text": "rgb(24, 24, 24)",
      "tab_line": "rgb(148, 0, 255)",
      "popup": "rgb(24, 24, 24)",
      "popup_text": "rgb(148, 0, 255)",
      "button_background_active": "rgb(148, 0, 255)",
      "button_background_hover": "rgb(148, 0, 255)",
      "icons_attention": "rgb(148, 0, 255)",
      "ntp_background": "rgb(18, 18, 18)",
      "ntp_text": "rgb(227, 227, 227)",
      "popup_highlight_text": "rgb(24, 24, 24)",
      "popup_highlight": "rgb(148, 0, 255)",
      "sidebar_border": "rgb(24, 24, 24)",
      "sidebar_highlight_text": "rgb(24, 24, 24)",
      "sidebar_highlight": "rgb(148, 0, 255)",
      "sidebar_text": "rgb(227, 227, 227)",
      "sidebar": "rgb(24, 24, 24)",
      "tab_background_separator": "rgb(24, 24, 24)",
      "tab_loading": "rgb(148, 0, 255)",
      "tab_text": "rgb(148, 0, 255)",
      "toolbar_field_border_focus": "rgb(24, 24, 24)",
      "toolbar_field_highlight": "rgb(24, 24, 24)",
      "toolbar_field_separator": "rgb(24, 24, 24)"
    }
  }
}