Get pallett hex values from passed image about cdn HOT 1 CLOSED

http://localhost:8001/disk/test.jpg?format=json

{
  "fileName": "test.jpg",
  "cacheReference": "cb56752477cae6405f85b131872c60d21b967c6a",
  "quality": 75,
  "trim": 0,
  "trimFuzz": 0,
  "resizeStyle": "aspectfill",
  "gravity": "Center",
  "filter": "None",
  "blur": 0,
  "strip": 0,
  "rotate": 0,
  "flip": 0,
  "ratio": 0,
  "devicePixelRatio": 0,
  "format": "jpeg",
  "fileSize": 787603,
  "primaryColor": "#3e342c",
  "palette": [
    [
      219,
      185,
      151
    ],
    [
      58,
      47,
      40
    ],
    [
      154,
      116,
      88
    ],
    [
      162,
      178,
      182
    ],
    [
      110,
      114,
      105
    ],
    [
      128,
      142,
      171
    ]
  ],
  "density": {
    "width": 72,
    "height": 72,
    "unit": "dpi"
  }
}