Looks to be bleaching a bit. Make sure parameters remain stable and watch alk for drop or spikes. Maybe turn lights down a bit to help acclimate and also may have too clean of water. These guys are not as picky as other sps with food in water.
thanks for the replies sorry its taken so lomg to get back have some issues going on really do not think its water related after thinking about it have a green monti cap on the other side that looks great (that i got at the same time).i have a elegance that i have moved around the entire tank trying to find its sweet spot i think i did it likes low flow and thats were the monti caps at i think its flow related and recently i put a rock in front of it too