Examine source code of green purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "purple-green",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-018-0ca3dfc7bb661ec53999d358812ce0ab.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(63, 0, 91)",
      "toolbar_text": "rgb(0, 255, 0)",
      "frame": "rgb(1, 40, 1)",
      "tab_background_text": "rgb(179, 0, 255)",
      "toolbar_field": "rgb(89, 49, 106)",
      "toolbar_field_text": "rgb(127, 245, 127)",
      "tab_line": "rgb(18, 162, 18)",
      "popup": "rgb(1, 40, 1)",
      "popup_text": "rgb(179, 0, 255)",
      "button_background_hover": "rgb(0, 47, 0)",
      "ntp_background": "rgb(76, 34, 96)",
      "sidebar_text": "rgb(0, 255, 0)",
      "tab_loading": "rgb(18, 162, 18)"
    }
  }
}