Examine source code of Material You Navy Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Material You Navy Blue",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(15, 21, 38)",
      "toolbar_text": "rgb(167, 186, 228)",
      "frame": "rgb(5, 6, 11)",
      "tab_background_text": "rgb(106, 120, 152)",
      "toolbar_field": "rgb(33, 40, 70)",
      "toolbar_field_text": "rgb(146, 164, 204)",
      "tab_line": "rgb(15, 21, 38)",
      "popup": "rgb(15, 21, 38)",
      "popup_text": "rgb(106, 110, 178)",
      "ntp_background": "rgb(25, 36, 64)",
      "popup_border": "rgb(167, 186, 228)",
      "tab_loading": "rgb(15, 21, 38)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ecaa8cc2-3a56-4027-aa03-1dbcc9d3acc1}"
    }
  }
}