code: func (v *StyleContext) GetColor(state StateFlags) *gdk.RGBA {
  	gdkColor := gdk.NewRGBA()
  	C.gtk_style_context_get_color(v.native(), C.GtkStateFlags(state), (*C.GdkRGBA)(unsafe.Pointer(gdkColor.Native())))
  	return gdkColor
  }
docs: // GetColor is a wrapper around gtk_style_context_get_color().