Green poop

3 month old baby suddenly having green poop for the past 1 week....she is on 80% bf and 20% of formula...we have ised dulac before and changed to kendamil organic 4 days before.....she had a vaccination on 8th june and after shot only she is having green poop...is that normal or do i need to visit PD...pls reply....#worriedmom