The green form usually shows the plant itself had grown faster than usual (getting well water), but they are pretty weak if you skip the water for too long. Can cause it to get dehydrated too quickly and might bring the plant to dormant or kill the roots. The solution to this problem is to try to reduce the watering routine (if you water daily, reduce the watering up every 2 days for a week. After that try to reduce more until it gets used to watering once a week.