Examine source code of Oranger

{
  "name": "Oranger",
  "author": "Jimmy Sophiaan",
  "manifest_version": 2,
  "version": "2021.10.4",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "frame": "rgb(113, 113, 113)",
      "frame_inactive": "rgb(136, 136, 136)",
      "tab_text": "white",
      "tab_background_text": "white",
      "tab_line": "rgb(255, 137, 36)",
      "tab_loading": "white",
      "toolbar": "rgb(255, 137, 36)",
      "toolbar_top_separator": "rgb(166, 89, 23)",
      "toolbar_bottom_separator": "rgb(153, 82, 22)",
      "toolbar_field": "rgb(229, 123, 32)",
      "toolbar_field_text": "white",
      "toolbar_field_border": "rgb(204, 110, 29)",
      "toolbar_field_focus": "white",
      "toolbar_field_text_focus": "rgb(60, 60, 60)",
      "toolbar_field_border_focus": "rgb(204, 110, 29)",
      "toolbar_field_highlight": "rgba(255, 137, 36, 0.6)",
      "toolbar_field_highlight_text": "rgb(60, 60, 60)",
      "toolbar_field_separator": "rgba(0, 0, 0, 0.1)",
      "button_background_hover": "rgb(229, 123, 32)",
      "button_background_active": "rgb(255, 137, 36)",
      "bookmark_text": "white",
      "icons": "white",
      "icons_attention": "rgba(255, 255, 255, 0.6)",
      "popup": "rgb(113, 113, 113)",
      "popup_border": "rgb(113, 113, 113)",
      "popup_text": "rgb(225, 225, 225)",
      "popup_highlight": "rgb(255, 137, 36)",
      "popup_highlight_text": "white",
      "ntp_background": "rgb(225, 225, 225)",
      "ntp_text": "rgb(37, 37, 37)",
      "sidebar": "rgb(225, 225, 225)",
      "sidebar_text": "rgb(60, 60, 60)",
      "sidebar_highlight": "rgb(113, 113, 113)",
      "sidebar_highlight_text": "white"
    }
  }
}