Stocking 55 gallon tank

I'm new to cichlids. I have a blood parrot and he's outgrowing his current tank. I have a 55 gallon tank that just finished cycling that I'm going to move him into and I'm wondering what other cichlids I can put in there. I was thinking of the small African ones but I don't know which species or exactly how many. The fact that my LFS has a sign that says "Assorted African Cichlids" doesn't help much.
I'm looking for colorful and interesting fish.

Any suggestions would be much appreciated.

After some more research and checking out my LFS again, I decided on
2 Bolivian Rams
1 Angel fish
6-7 Harlequin rasboras

nano cichlids said:

Your stock sounds good. Altough if your blood parrot is from the KINGKONG gene pool your going to have some problems. Shell end up eatting the rasboras. Now it sounds like you shop at a petsmart or petco. So you shouldn't have this problem as the blood parrots there are almost always a female blood parrot x Midas/red devil hybrid. Blood parrots can actually get pert aggressive but it depends on each individual fish.

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Yes, I had a problem with my blood parrot. He got super aggressive and ended up killing two fish. I managed to find him a new home.