Reference scale, not a limit on official guideline values.
Bitterness · IBU
18–25
0306090120+
Measured bitterness; perceived bitterness is described in the guideline below.
Brewers Association 2026 · Printed guideline page 37 · PDF page 46. Color graphics are illustrative.
The guideline, in detail
Official style attributes, including what may be present and what should be absent.
Malt aroma & flavor
Bready or biscuity malt aroma and flavor should be present. Sweet maltiness is medium-low to medium and leads to a muted clean hop bitterness. Malt flavors should be of light toast rather than strong caramel. Low level caramel character is acceptable.
Hop aroma & flavor
Low with attributes typical of noble hop varieties
Perceived bitterness
Medium-low to medium
Body & mouthfeel
Medium
Clarity
Appearance should be clear. Chill haze should not be present
Color
Pale to reddish-brown
Fermentation characteristics
Fruity esters and diacetyl should not be present.
Technical specifications, including gravity
Original Gravity (°Plato) 1.052-1.057 (11.4-13.8 °Plato) • Apparent Extract/Final Gravity (°Plato) 1.012-1.020 (3.1-5.1 °Plato) • Alcohol by Weight (Volume) 4.0%-4.7% (5.1%-6.0%) • Hop Bitterness (IBU) 18-25 • Color SRM (EBC) 4 -15 (8-30 EBC)
Keep exploring
Other styles in this guideline group. Similar placement doesn’t guarantee a similar flavor.