Which Undulat breeds come in Koksgrå?

Club breed standards describe Koksgrå for the Undulat.

Undulat color

Koksgrå

A dark smoky gray: the dilute black of Labradors that no standard accepts, and the charcoal corn snake.

2 Undulat breeds list Koksgrå. It is in a club standard for 2 breeds.

Breed	WBO	ABS	COM
Undulat	Standard (“Anthracite (Blue Series)”)	Standard (“Anthracite”)	Standard (“Anthracite”)
UndulatAntrasitt	Standard (“Anthracite (Blue Series)”)	Standard (“Anthracite”)	Standard (“Anthracite”)