Why Beer Bottles Are Dark Colored

Most beer bottles are brown or green for a vital reason: protection. Sunlight reacts with hop compounds in beer to create a chemical reaction that mimics the scent of a skunk.

When ultraviolet rays hit beer, they break down hop acids, which quickly react with sulfur to create an unpleasant skunky aroma. Brown glass acts as a natural shield, blocking the most harmful light wavelengths from spoiling your drink. Green glass offers slightly less protection than brown, which is why some premium brands still use it despite the increased risk of light damage. This clever packaging design keeps your beer tasting fresh regardless of how long it sits on a shelf.