Palomino Soir

Colour Group: Cream, Rouge Base, and Soir
Rarity: Unnatural
Importable?: Yes

Rouge Soir

Colour Group: Rouge Base and Soir
Rarity: Unnatural
Importable?: Yes

Or

Colour Group: Pearl, Rouge Base, and Rouille
Rarity: Unnatural
Importable?: Yes

Cuivre

Colour Group: Rouge Base and Rouille
Rarity: Unnatural
Importable?: Yes

Strawberry

Colour Group: Pastelle and Rouge Base
Rarity: Special
Importable?: Yes - Admin customs only

Palace Wyvern

Colour Group: Brun Base, Noir Base, Rouge Base, and Wyvern
Rarity: Unnatural
Importable?: No - Events & breeding only

Mangrove Wyvern

Colour Group: Regius, Rouge Base, and Wyvern
Rarity: Unnatural
Importable?: No - Events & breeding only

Jungle Wyvern

Colour Group: Rouge Base and Wyvern
Rarity: Unnatural
Importable?: Yes - Admin customs only

Classic Vanille

Colour Group: Bonbon, Brun Base, Classic Bonbon, Classic Peach, Cream, Noir Base, Peach, and Rouge Base
Rarity: Special
Importable?: Yes - Special tier

Classic Tropical

Colour Group: Bonbon, Classic Bonbon, Classic Peach, Peach, and Rouge Base
Rarity: Special
Importable?: Yes - Special tier