Examine source code of Two Colors#2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Two Colors#2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-026-829b05416f823e170310e7c826ad1bec.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(172, 175, 167)",
      "toolbar_text": "rgb(41, 97, 99)",
      "frame": "rgb(41, 97, 99)",
      "tab_background_text": "rgb(172, 172, 172)",
      "toolbar_field": "rgb(41, 97, 99)",
      "toolbar_field_text": "rgb(172, 175, 167)",
      "tab_line": "rgb(44, 145, 59)",
      "popup": "rgb(172, 175, 167)",
      "popup_text": "rgb(41, 97, 99)",
      "tab_loading": "rgb(44, 145, 59)"
    }
  }
}