Examine source code of Harmonie

{
  "manifest_version": 2,
  "name": "Harmonie",
  "version": "1",
  "description": "A theme that encapsulates the dichotomy of dark and light",
  "theme": {
    "colors": {
      "frame": "#5c6169",
      "tab_background_text": "#FDFDFD",
      "tab_selected": "#6E747D",
      "tab_text": "#FDFDFD",
      "tab_line": "#545860",
      "toolbar": "#545860",
      "toolbar_text": "#FDFDFD",
      "toolbar_field": "#545860",
      "toolbar_field_focus": "#676c75",
      "toolbar_field_text": "#FDFDFD",
      "toolbar_field_border_focus": "#676c75",
      "toolbar_bottom_separator": "#545860",
      "ntp_background": "#5c6169",
      "ntp_card_background": "#676c75",
      "ntp_text": "#FDFDFD",
      "popup": "#5c6169",
      "popup_border": "#00000000",
      "sidebar": "#5c6169",
      "sidebar_text": "#FDFDFD",
      "sidebar_border": "#545860"
    }
  },
  "dark_theme": {
    "colors": {
      "frame": "#242A31",
      "tab_background_text": "#E6E9ED",
      "tab_selected": "#323C47",
      "tab_text": "#E6E9ED",
      "tab_line": "#1E242A",
      "toolbar": "#1E242A",
      "toolbar_text": "#E6E9ED",
      "toolbar_field": "#1E242A",
      "toolbar_field_focus": "#2F3842",
      "toolbar_field_text": "#E6E9ED",
      "toolbar_field_border_focus": "#2F3842",
      "toolbar_bottom_separator": "#1E242A",
      "ntp_background": "#242A31",
      "ntp_card_background": "#2F3842",
      "ntp_text": "#E6E9ED",
      "popup": "#242A31",
      "popup_border": "#00000000",
      "sidebar": "#242A31",
      "sidebar_text": "#E6E9ED",
      "sidebar_border": "#1E242A"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d39db689-432a-4b52-ba5c-5431f61a7d98}"
    }
  }
}