Examine source code of Blue green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue and green",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-029-cc9cab928c1799136d18758709e91ecc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(97, 118, 169)",
      "toolbar_text": "rgb(22, 49, 106)",
      "frame": "rgb(109, 191, 154)",
      "tab_background_text": "rgb(59, 109, 145)",
      "toolbar_field": "rgb(80, 217, 194)",
      "toolbar_field_text": "rgb(55, 61, 184)",
      "tab_line": "rgb(22, 23, 25)",
      "popup": "rgb(81, 211, 157)",
      "popup_text": "rgb(98, 102, 183)",
      "tab_loading": "rgb(22, 23, 25)"
    }
  }
}