Examine source code of Material You Emerald

{
  "manifest_version": 2,
  "version": "2.2",
  "name": "Material You Emerald",
  "browser_specific_settings": {
    "gecko": {
      "id": "{1399625f-4960-431f-80a4-03140a022047}"
    }
  },
  "theme": {
    "colors": {
      "frame": "#092421",
      "tab_background_text": "white",
      "button_background_hover": "#3c5350",
      "button_background_active": "#5a6f6b",
      "icons": "#b1ccc7",
      "icons_attention": "#b1ccc7",
      "ntp_background": "#27403c",
      "ntp_card_background": "#102a27",
      "ntp_text": "white",
      "popup": "#092421",
      "popup_border": "#74d7cb",
      "popup_highlight": "#2d3433",
      "popup_highlight_text": "white",
      "popup_text": "white",
      "sidebar": "#191d16",
      "sidebar_border": "#2d3433",
      "tab_line": "#74d7cb",
      "tab_selected": "#27403c",
      "tab_text": "white",
      "toolbar": "#092421",
      "toolbar_field": "#102a27",
      "toolbar_field_border_focus": "#2d3433",
      "toolbar_field_border": "none",
      "toolbar_field_highlight": "#102a27",
      "toolbar_field_focus": "#27403c",
      "toolbar_field_text": "white",
      "toolbar_bottom_separator": "none"
    }
  }
}