class_docstr: Class that provides a series of GL functions that do not fit
  in the object oriented part of gloo. An instance of this class is
  associated with each canvas.
docstr: Set the blend color
  
  Parameters
  ----------
  color : str | tuple | instance of Color
      Color to use. See vispy.color.Color for options.
docstr_tok: ["Set","the","blend","color","Parameters","--","--","--","--","--","color",":","str","|","tuple","|","instance","of","Color","Color","to","use",".","See","vispy.color.Color","for","options","."]
code: def set_blend_color(self, color):
      """Set the blend color
  
      Parameters
      ----------
      color : str | tuple | instance of Color
          Color to use. See vispy.color.Color for options.
      """
      self.glir.command("FUNC", "glBlendColor", *Color(color).rgba)
  
imports: import numpy
  from copy import deepcopy
  from .None import gl
  from ..color import Color
  from ..util import logger
label_desc: Use image node_id 12 for calling the BaseGlooFunctions obj's underlying member method code with example usage: obj.set_blend_color(color) without return types