Half Black Angel Getting A Decent Amount Of Orange

[fredmertz]

I have a half black angel that is about silver dollar sized and 4-5 months old (I think). When I got him, there was was very little orange coloring but now he has gotten a decent amount of orange on his top half, including a streak in his dorsal fin. He seems otherwise fine. Is this anything to worry about or normal as angels mature?

 

[absolutangel04]

It is probably just normal coloration. I suggest you try googling images of koi angels and orange angels and see if the color on yours looks like that.