code: def SetMarkerColor(self, color):
          
          self._markercolor = Color(color)
          if isinstance(self, ROOT.TAttMarker):
              ROOT.TAttMarker.SetMarkerColor(self, self._markercolor('root'))
docs: *color* may be any color understood by ROOT or matplotlib.
  
          For full documentation of accepted *color* arguments, see
          :class:`rootpy.plotting.style.Color`.