Baby Poop (Tan green)

My baby dun usually poop everyday. 3-4 days once. Feeding him Bm and one formula every night. Is it normal baby dun poo everyday? Today baby poop tan green and sweat while pushing. He is 2 mths old. He cried and haven push everything out. Should we go to a pd? Worried why is it tan green.. Why he cant push it out..#firstbaby #momcommunity