Examine source code of dark hunter green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "greeeeeen",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(4, 58, 10)",
      "toolbar_text": "rgb(132, 178, 146)",
      "frame": "rgb(4, 47, 9)",
      "tab_background_text": "rgb(101, 139, 113)",
      "toolbar_field": "rgb(11, 72, 18)",
      "toolbar_field_text": "rgb(132, 178, 146)",
      "tab_line": "rgb(11, 72, 18)",
      "popup": "rgb(5, 61, 11)",
      "popup_text": "rgb(132, 178, 146)",
      "icons_attention": "rgb(101, 139, 113)",
      "icons": "rgb(101, 139, 113)",
      "ntp_text": "rgb(132, 178, 146)",
      "popup_border": "rgb(11, 72, 18)",
      "sidebar_border": "rgb(5, 61, 11)",
      "sidebar_highlight": "rgb(132, 178, 146)",
      "sidebar_text": "rgb(132, 178, 146)",
      "sidebar": "rgb(4, 47, 9)",
      "tab_loading": "rgb(101, 139, 113)",
      "tab_selected": "rgb(5, 61, 11)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{55ea02d0-7a4d-43da-afc0-f01794415f91}"
    }
  }
}