Coffee Roast Levels Explained: From Light to Spanish

Ever stared at a menu or bag of beans and wondered what 'City' or 'Viennese' roast really means—or how dark is 'dark enough' for espresso? With so many names floating around, from New England to Spanish, understanding roast level isn’t just about color—it’s about flavor development, surface oils, and how the bean changes through the Maillard reaction. Here’s how pros actually categorize roast depth.

There are 10 standard roast levels, ranging from very light (New England, #95 Agtron) to extremely dark (Spanish, near-black with heavy oil). The Specialty Coffee Association of America (SCAA) uses eight numbered color benchmarks (#95 to #25) to precisely measure roast darkness via Agtron readings, while traditional names like French or Espresso rely on visible traits such as surface oil and brown hue.

Traditional Roast Level Names and Their Visual Cues

The most common traditional roast classifications include several key stages, each defined by bean color and surface characteristics. These are the terms you’ll often see on bags or in cafes:

• New England : A very light roast, appearing light brown with a completely dry surface. One of the lightest commercial designations.
• American : Medium brown, still dry-surfaced—representing a middle-of-the-road light to medium roast.
• Viennese : Medium-dark brown with occasional tiny droplets of coffee oils visible on the surface.
• French : A moderately dark brown roast, featuring a thin layer of surface oils.
• Espresso : Dark brown, with variable oil presence—either a thin or thick layer depending on exact roast depth.
• Italian : Nearly black, with a shiny, oily surface—most roasters consider this their darkest standard roast.
• Dark French / Spanish : Extremely dark brown, almost black, with an abundance of surface oils.

The Classic American Roast Naming System

Since the 19th century, another widely recognized roast classification system has been used in the United States. This traditional sequence progresses from very light to very dark:

• Cinnamon : Extremely light brown, the lightest of the traditional designations.
• Light : The lightest end of what many call a ‘light roast’.
• Medium : A balanced mid-range roast, neither too light nor too dark.
• Medium High : A slightly darker medium roast, often the maximum for this category.
• City High : Slightly deeper than a standard American or medium roast.
• Full City : Deeper than City High, sometimes showing slight oil on the bean surface.
• Dark : Dark brown, shiny, similar in depth to Espresso or French roasts in other systems.
• Heavy : Very dark brown, oily, close to Italian roast darkness.

Of these, Full City remains the most commonly used term today, sitting darker than mid-20th-century American norms. Heavy and Dark approach the darkness of modern Espresso and French roasts.

How Roast Level Is Measured: Agtron and SCAA Color Codes

To resolve confusion between names like French and Espresso, the Specialty Coffee Association of America (SCAA) developed a numerical system based on objective color measurement. This system uses eight reference points, each assigned a number from #95 (lightest) to #25 (darkest). The process involves:

• Grinding a roasted coffee sample finely.
• Spreading the grounds in a shallow tray.
• Measuring the color using instruments that analyze chemical indices or caramelization levels.
• Matching the sample to one of the standardized Agtron color blocks.

These numbers correspond to visual roast depths without relying on subjective names. For example, #95 indicates an extremely light roast, while #25 represents a very dark roast. This method provides a consistent, scientific way to classify roast level regardless of regional naming differences.

Frequently Asked Questions

What is the lightest common roast level?

The lightest standard roast is New England, appearing light brown with a dry surface, or Cinnamon, which is even lighter and very pale brown. Both are at the extreme light end of roast classification, with New England typically falling around SCAA Agtron #95.

How can I tell if a coffee is French or Espresso roast?

French roast is moderately dark brown with a thin layer of surface oil, while Espresso roast is dark brown and may have either a thin or thick layer of oil depending on the exact roast depth. Both are darker than American or City roasts but differ in oil visibility and exact shade.

What is the SCAA Agtron system?

The SCAA Agtron system uses eight numeric color benchmarks (#95 to #25) to scientifically measure roast darkness. It involves grinding roasted beans, placing the grounds in a tray, and using instruments to match the color to standardized reference blocks, avoiding subjective roast names.

Why do some roasts have oil on the surface and others don’t?

Surface oils appear as roasting progresses and beans darken. Lighter roasts (like American or New England) remain dry because oils haven’t migrated to the surface yet. Darker roasts (like French, Espresso, or Spanish) develop visible oils as internal moisture escapes and beans expand.

Which roast level is best for espresso?

Espresso can be made with a range of roast levels, but traditionally, Espresso and French roasts (dark brown, with possible surface oil) are used. Some prefer Full City or even City High for brighter espressos, but darker roasts (around #35–#25 on the Agtron scale) are common for classic espresso profiles.

Recommended FrontStreet Beans for Dark Roasting

For exploring deep roast profiles, try FrontStreet Coffee’s PWN Golden Mandheling—a bold, low-acid Indonesian bean with herbal spice notes and rich body, ideal for showcasing dark roast complexity. The Brazil Queen Manor offers balanced caramel and hazelnut tones even when medium-dark roasted, highlighting nutty and chocolatey depth. For a fruit-forward contrast, the Colombia Huila (medium-dark roasted here) brings black cherry and cocoa with lingering sweetness. All three demonstrate how roast level shapes flavor. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.