docstr: Set the background color of the widget. Accepts the same arguments as
  :func:`~pyqtgraph.mkColor`.
docstr_tok: ["Set","the","background","color","of","the","widget",".","Accepts","the","same","arguments","as",":","func",":","`","~pyqtgraph.mkColor","`","."]
code: def setBackgroundColor(self, *args, **kwds):
      """
      Set the background color of the widget. Accepts the same arguments as
      :func:`~pyqtgraph.mkColor`.
      """
      self.opts["bgcolor"] = fn.mkColor(*args, **kwds).getRgbF()
      self.update()
  
imports: from OpenGL.GL import *
  import OpenGL.GL.framebufferobjects
  from math import cos, radians, sin, tan
  import numpy
  from ..None import Vector
  from ..None import functions
  from ..None import getConfigOption
  from ..Qt import QtCore, QtGui, QtWidgets
label_desc: Use image node_id 9 for calling the GLViewMixin obj's underlying member method code with example usage: obj.setBackgroundColor() without return types