change color of status sensors based on thresholds

Is would be good to have the ability to change the status-color based on definable thresholds ( like for notifications ), e.g. a ping-sensor goes to yellow if the ping-response-time is bigger than x ms for e.g. 300sec or the cisco-vpn-traffic or a snmp-traffic-sensor switch to yellow if bandwidth ( or transferred volume ) is bigger than x for e.g. 300 seconds / or go to red on other thresholds ( e.g. bigger that x for 3000 seconds ) This would allow a better visual experience than displaying the bandwidth or ping-time chart and not only alert when ping or the other sensors are completely down or failing.