Brown ale is a style of beer with a dark amber or brown colour. The term was first used by London brewers in the late 17th century to describe their products, such as mild ale, though the term has a rather different meaning today. 18th century brown ales were lightly hopped and brewed from 100% brown malt
Porter is a style of beer that was developed in London, England in the early eighteenth century. It was well-hopped and dark in appearance due to the use of brown malt. The name originated due to its popularity with street and river porters.