Dark Green Poop 3 months old baby

Hi mumshies normal lang ba tong dark green na poop n baby? Formula milk nya bonaa since 1 month nag formula nako but mix. But When i stop breastfeeding naging dark green poop nya . Ok naman poop nya before kahit bonna kaya lang mix pa yon when i stop don na nag,start mag dark green .. #helpandrespect # #needhelp #darkgreenpoop #PoopProblem #seriouslyasking