def METHOD_NAME(self, instance, text_color):
    if not self.use_text_color:
        self.use_text_color = True
        return
    self.text_color = get_hex_from_color(text_color)
    self.use_text_color = False
    self.foreground_color = (1, 1, 1, .999)
    self._trigger_refresh_text()