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Beer colour · Malt

What makes beer dark? Mostly the malt — not the alcohol.

Beer becomes amber, brown or black mainly because some of the grain has been kilned or roasted more deeply. A small amount of very dark malt can transform colour and flavour without automatically making the beer stronger or heavier.

1

Colour comes mainly from malt

Darker kilning and roasting create deeper colour compounds and flavours.

2

Dark does not mean strong

Schwarzbier, dry stout and dark mild can all be relatively modest in alcohol.

3

Dark does not mean sweet either

Roast, bitterness, attenuation and carbonation can make a black beer feel surprisingly dry and light.

How does malt get darker?

Heat during kilning or roasting creates browning reactions that deepen colour and build toast, caramel, cocoa, coffee-like or roasted character depending on how far the process goes.

Does a black beer use only black malt?

Usually not. Many dark beers are built mostly from pale base malt with smaller amounts of crystal, chocolate, roasted barley or other specialty malts adding colour and flavour.

Why can two black beers taste completely different?

A dry stout, schwarzbier and imperial stout may all look very dark, but their strength, yeast character, bitterness, body and roast level can be very different. Colour is only one clue.

Can brewers make dark beer without harsh roast?

Yes. Malt choice, quantity and process can create deep colour while keeping burnt or astringent flavours low. Some dark lagers are especially good examples of black appearance with a smooth, relatively light palate.

Keep exploring

If this page has done its job, the next glass should make a little more sense.