def METHOD_NAME(self):
    """Called when the mouse exit the widget."""
    if (
        hasattr(self, "md_bg_color") or hasattr(self, "bg_color")
    ) and self.focus_behavior:
        if hasattr(self, "theme_cls") and not self.unfocus_color:
            color = self.theme_cls.bg_light
        else:
            if not self.unfocus_color:
                color = App.get_running_app().theme_cls.bg_light
            else:
                color = self.unfocus_color
        self._set_bg_color(color)