Examine source code of Purple Hyacinth

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Purple Hyacinth",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-026-829b05416f823e170310e7c826ad1bec.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(117, 0, 255)",
      "frame": "rgb(34, 34, 53)",
      "tab_background_text": "rgb(2, 156, 241)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(123, 127, 204)",
      "tab_line": "rgb(180, 1, 255)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(98, 102, 183)",
      "button_background_active": "rgb(255, 255, 255)",
      "button_background_hover": "rgb(244, 225, 255)",
      "icons": "rgb(172, 0, 255)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(1, 159, 255)",
      "toolbar_field_separator": "rgb(141, 0, 255)",
      "toolbar_top_separator": "rgb(139, 0, 255)",
      "toolbar_vertical_separator": "rgb(155, 48, 219)"
    }
  }
}