Which Grasparkiet breeds come in Opaline?

Club breed standards describe Opaline for the Grasparkiet.

Grasparkiet pattern

Opaline

Budgie and lovebird mutation: body color spreads into the wings and the head barring is reduced, leaving a clear V on the back.

4 Grasparkiet breeds list Opaline. It is in a club standard for 4 breeds.

Breed	WBO	ABS	COM	BS UK
Grasparkiet	Standaard (“Opaline; Opaline Cinnamon; Rainbow”)	Standaard (“Light Green Opaline; Rainbow”)	Standaard (“Opaline; Opaline Cinnamon”)	Standaard (“OPALINE - Light, Dark, Olive, Grey Green; OPALINE - Skyblue, Cobalt, Mauve, Violet, Grey”)
GrasparkietOpaline	Standaard (“Opaline”)	Standaard (“Light Green Opaline”)	Standaard (“Opaline”)	Standaard (“OPALINE - Light, Dark, Olive, Grey Green; OPALINE - Skyblue, Cobalt, Mauve, Violet, Grey”)
GrasparkietOpaline kaneel	Standaard (“Opaline Cinnamon”)	No ruling	Standaard (“Opaline Cinnamon”)	Standaard (“OPALINE CINNAMON - Light, Dark, Olive, Grey Green; OPALINE CINNAMON - Skyblue, Cobalt, Mauve, Violet, Grey”)
GrasparkietRegenboog	Standaard (“Rainbow”)	Standaard (“Rainbow”)	No ruling	Standaard (“RAINBOW - Opaline Whitewing Yellowface & Goldenface”)