YELLOW: Close to either the low or high WARNING tolerance.
WHITE: Offline
A tolerance is defined as the high and low limits set in software for operator notification of devices that have drifted beyond a reasonable running value. These limits have 2 setpoints each, LO and HI limits, when exceeded, alarm handler will change the color to YELLOW. When exceeding the HIHI or LOLO limits, alarm handler will change the color to RED.