{
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  "definition" : null,
  "system" : "http://hl7.org/fhir/color-names",
  "property" : [ {
    "code" : "rgb",
    "valueString" : "#808080"
  } ],
  "codesystem" : "8082b42e-58c8-5519-a75a-36aa50ce5b31",
  "concept_id" : "8c251642-0602-5330-bd48-9144c93c285a",
  "ancestors" : {
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  },
  "id" : "5a8e1042-3786-4d22-bd14-03b035090c97",
  "code" : "gray",
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  "version" : "5.0.0"
}