The Genetics of Budgies:

Dominant:

Green.
Dark Factor. (Incomplete dominance)
Violet Factor.
Grey Factor. (Incomplete dominance)
Spangle.
Dominant Pied.
Clear Flight Pied.(Incomplete dominance)

Sex- Linked:

Lutino.
Albino.
Creamino.
Cinnamon.
Slate.
Clearbody.
Lacewing.

Recessive:

Blue.
Dilute.
Greywing. (Recessive Co-dominant)
Clearwing. (Recessive Co-dominant)
Recessive Pied.
Fallow.
Saddleback.
Blackface.