Examine source code of Blue-Green Mix

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue-Green Mix",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-002-609370e89a219e0548ac5ef6b4a7dd2e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(16, 61, 118)",
      "toolbar_text": "rgb(23, 222, 255)",
      "frame": "rgb(6, 48, 82)",
      "tab_background_text": "rgb(20, 138, 160)",
      "toolbar_field": "rgb(9, 36, 187)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(30, 197, 240)",
      "popup": "rgb(5, 41, 70)",
      "popup_text": "rgb(24, 156, 180)",
      "tab_loading": "rgb(30, 197, 240)"
    }
  }
}