Of course!
If you have red faced birds you wish to keep or breed, I suggest finding a dark skinned (not just mulberry faced) bird to breed into your flock. This will produce birds with either dark skin, or mulberry faces, while keeping the good color/type genetics from the red faced bird. That...
According the Standard of Perfection, the faces are suppose to be mulberry over red. Some judges are more picky over this than others are. Brown reds have the same description, and I’ve seen a red face bird place high at one show, then be completely overlooked at another because of its face...