Which תוכון breeds come in כנף אפורה?

Club breed standards describe כנף אפורה for the תוכון.

תוכון pattern

כנף אפורה

Budgie mutation: gray wing markings instead of black, the body color diluted by about half.

2 תוכון breeds list כנף אפורה. It is in a club standard for 2 breeds.

Breed	WBO	ABS	COM	BS UK
תוכון	תקני (“Greywing”)	תקני (“Greywing”)	תקני (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	תקני (“GREYWING”)
תוכוןגרייווינג	תקני (“Greywing”)	תקני (“Greywing”)	תקני (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	תקני (“GREYWING”)