White wine differs from red wine in, first and most obviously, colour. Under that skin, the pulpy part of a white grape is the same colour as that of a red grape. The skin dictates the end colour for red wine, which differs from the white's colour determinates. This is mainly due to the pressing of the grapes. When white grapes are picked, they are immediately pressed and the juice is removed from the skins with little contact. Colour in white wine does vary, often from the type of grape, occasionally from the use of wood.