Champagne is a single '. As a general rule, grapes used must be the white Chardonnay, or the dark-skinned "red wine grapes" Pinot noir or Pinot Meunier, which, due to the gentle pressing of the grapes and absence of skin contact during fermentation, usually also yield a white base wine. Most Champagnes, including Rosé wines, are made from a blend of all three grapes, although ' ("white from whites") Champagnes are made from 100% Chardonnay and "" ("white from blacks") Champagnes are made solely from Pinot noir, Pinot Meunier or a mix of the two.