North American Origin Ale Styles

American-Style Imperial or Double India Pale Ale

Ale · Straw to medium amber

What to expect

Malt character: Low to medium pale malt character is typical. Hop character: High to intense, exhibiting a wide range of attributes including floral, piney, citrus, fruity (berry, tropical, stone fruit, and other), sulfur, diesel-like, onion-garlic, catty, resinous, and many others. Hop character should be fresh and evident, and should not be harsh.

Reading guide · The complete guideline attributes below preserve the source’s qualifications.

Color · SRM

2–7

Pale / strawBlack

Straw to medium amber · Illustrative colors on the shared, uneven SRM scale.

Explore styles overlapping this color range

Alcohol · ABV

7.6–10.6%

Reference scale, not a limit on official guideline values.

Bitterness · IBU

65–100

Measured bitterness; perceived bitterness is described in the guideline below.

Brewers Association 2026 · Printed guideline page 14 · PDF page 23. Color graphics are illustrative.

The guideline, in detail

Official style attributes, including what may be present and what should be absent.

Malt aroma & flavor

Low to medium pale malt character is typical. Low pale caramel malt character may be present.

Hop aroma & flavor

High to intense, exhibiting a wide range of attributes including floral, piney, citrus, fruity (berry, tropical, stone fruit, and other), sulfur, diesel-like, onion-garlic, catty, resinous, and many others. Hop character should be fresh and evident, and should not be harsh.

Perceived bitterness

Very high but not harsh

Body & mouthfeel

Medium to full

Clarity

Chill haze is acceptable at low temperatures. Haze created by dry hopping is allowable at any temperature.

Color

Straw to medium amber

Fermentation characteristics

Alcohol content is medium-high to high and evident. Fruity esters are medium to high. Diacetyl should not be present.

Additional guideline notes & competition context

This style of beer should exhibit the fresh character of hops. Oxidized or aged character should not be present. Versions brewed with darker malts, non-traditional yeasts, fruits, spices, or other flavorings are categorized as Experimental India Pale Ale.

Technical specifications, including gravity

Original Gravity (°Plato) 1.067-1.087 (16.5-21 °Plato) • Apparent Extract/Final Gravity (°Plato) 1.009- 1.016 (2.3-4 °Plato) • Alcohol by Weight (Volume) 6.0%-8.4% (7.6%-10.6%) • Hop Bitterness (IBU) 65- 100 • Color SRM (EBC) 2-7 (4-14 EBC)

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