My baby's stool is greenish semi solid?

See remark: I'm not a pediatrician,how old is youer baby ?? Babies specially new -born are going to have stools like that ,rarely solid and may not be yellowish.. If this continues and gives you concern,please visit a pediatician,if you don't have one check with a city or county health clinic in your community.For quick peace of mind,ask your mother or a friend who has had children.Good luck

Stool color: stool color varies with food. It's normal variation. To answer you better please give age of baby, whether breast feeding or formula.