Examine source code of Greensih Blue\

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Greensih Blue\\",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-010-e9f94a3e61666a4c7677eb9cce17d854.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(48, 131, 135)",
      "toolbar_text": "rgb(210, 78, 106)",
      "frame": "rgb(21, 59, 60)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(248, 125, 152)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(234, 234, 234)",
      "popup_text": "rgb(98, 102, 183)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{959f3499-503b-41f4-b9b6-30b42352a02e}"
    }
  }
}