def _update_speed_color(self):
'''
Selects the appropriate color for the exit speed indicator based on
configured speed threshold
'''
if self.current_speed > self._pitstop_alert_speed:
self.ids.speed_rect.rect_color = ColorScheme.get_error()
self._toggle_exit_speed_alert(ColorScheme.get_error())
elif self.current_speed > self._pitstop_alert_speed * self._SPEED_ALERT_THRESHOLD:
self.ids.speed_rect.rect_color = ColorScheme.get_alert()
self.exit_speed_color = ColorScheme.get_dark_background_translucent()
else:
self.ids.speed_rect.rect_color = ColorScheme.get_happy()
self.exit_speed_color = ColorScheme.get_dark_background_translucent()
