Argent

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

Cobalt

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

Pseudo-Double Cream Champagne

Colour Group: Brun Base, Champagne, Cream, Noir Base, Pearl, and Rouge Base
Rarity: Natural
Importable?: Yes