Examine source code of Low saturation blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Low saturation blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(243, 248, 251)",
      "toolbar_text": "rgb(3, 3, 3)",
      "frame": "rgb(118, 167, 208)",
      "tab_background_text": "rgb(4, 4, 4)",
      "toolbar_field": "rgba(253, 253, 253, 0.7)",
      "toolbar_field_text": "rgb(17, 17, 16)",
      "tab_line": "rgb(37, 32, 31)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(15, 15, 15)",
      "icons": "rgb(15, 15, 15)",
      "tab_loading": "rgb(37, 32, 31)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a1cb70d8-5ed3-4603-9338-f30bfa87b8ce}"
    }
  }
}