It'll work the same. Pullets Chocolate, cockerels black. They all could have various amounts of leakage when grown.I also had one hatch from a black sexlink-
I would think it would work the same way as black would but since they come from barred hens and red roosters, is it different? If so how different.
The chick is black (And if it matters (don't think it does) it has that weird feather condition that makes down look knotted and fragile.