Examine source code of SimpleBlueAndOrange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Default",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-006-51ab495c5f5dde6a3cddb22484acd00d.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(3, 19, 33)",
      "toolbar_text": "rgb(224, 226, 239)",
      "frame": "rgb(14, 52, 104)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(224, 226, 239)",
      "toolbar_field_text": "rgb(32, 32, 32)",
      "tab_line": "rgb(200, 92, 2)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(26, 26, 26)",
      "tab_loading": "rgb(200, 92, 2)"
    }
  }
}