问如何在用户界面网格中对特定值进行着色？

$scope.gridOptions =
    data: 'data.sites'
    tabIndex: -1
    enableSorting: true
    noTabInterference: true
    enableColumnResizing: true
    enableCellSelection: true
    columnDefs: [
      {field: 'sv_name', displayName: 'Nombre'}
      {field: 'sv_code', displayName: 'Placa'}
      {field: 'count', displayName: 'Cuenta'}
    ]
    rowTemplate: """<div ng-class="{green: true, blue: row.getProperty('count') === 1}"
                         ng-repeat="col in colContainer.renderedColumns track by col.colDef.name"
                         class="ui-grid-cell"
                         ui-grid-cell></div>"""

.grid {
  width: 100%;
  height: 250px;
}

.green {
  background-color: #2dff07;
  color: #006400;
}

.blue {
  background-color: #1fe0f0;
  color: #153ff0;
}

row.getProperty('count') === 1