2 colors are in the name of this drink, equal parts ale & stout or porter
Puff, A traditional afternoon drink made of equal parts spirit and milk, 
topped ... run or brandy, with port wine floated on top, or with wine, ale, porter or 
stout... [DOC] [TLE] Bartending/Cocktails/Glossary - Wikibooks, open books for an open ... [PAR] Method: Pour equal parts of vodka, rum, tequila, gin, and blue Curaao.