You can cross Wyandottes of different colors. The color variation between Wyandotte varieties does not affect interbreeding. But it may affect the eligibility of the chicken for poultry shows
Buff Wyandottes have entirely ginger-orange plumage – both the roosters and the hens.
The chicks have a similar color, but they may be slightly lighter or yellowish.
Adult Golden-Laced Wyandotte chickens have predominantly gold-colored plumage. The edges of their feathers are lined with black, and their tails are black.