Baby Chick Breed

[JakeA34]

I hatched out 12 chicks. I had some Silver duckwing OEG and some BB red OEG but can’t tell them apart. Is there a good way to tell which is which?

 

[nuthatched]

If the chicks are purebred, the silver will be white/gray/black but the red will be brown/tan/black. There may be sexlinks if they're cross.