Blue/Black cooper maran color question

[justtoni44]

Hatched eggs this week end.................one blue cooper maran,one black cooper maran out of blue breeding,
one blue hen.........blue cooper maran rooster.
Sooooooooooo.are thee black babies black cooper marand or balcks out of blue like it would be with dogs.........confused???????? or are they a mix

Thank you in advance

 

[call ducks]

blue copper X blue copper = 1/2 blue copper , 25%black, 25 splash, all should be copper

 

[Happy Chooks]

And black x blue gives you 50% black and 50% blue.