As is well known, Front Street primarily sells coffee beans and has shops on both Taobao and Tmall, so friends who can't make it to the physical store often place orders online. Some of them then noticed that Front Street's bean labels don't indicate the roast level of the coffee beans, and they reported that once they receive the beans, they don't know how to identify [more…]

How dark should a coffee bean be roasted? How light is light, and how dark is dark? This is a question Front Street Coffee is often asked. In fact, there is no absolute standard for roast level—the core lies in what flavors the roaster wants to present and which characteristics to highlight. This article draws on Front Street Coffee's practical experience: it first explains how roast level affects the coffee's body, density, and acidity-bitterness mouthfeel; then explains how light, medium, and dark roasts are judged at the actual drop point; and finally, using specific beans such as espresso, pour-over, Mandheling, and Geisha, it sorts out Front Street Coffee's complete approach to determining roast level, while retaining product information such as the Huakui medium-roast espresso option. [more…]

As everyone knows, Front Street Coffee mainly sells beans and has shops on both Taobao and Tmall, so friends who can't make it to the store often place orders online. Then some friends noticed that the labels on Front Street Coffee's beans don't indicate the roast level of the coffee beans, so they reported that after receiving them, they didn't know how to identify [more…]

The roast level of coffee beans not only determines the flavor direction of a cup of coffee, but may also affect its ability to assist with fat loss. From the bright acidity of a light roast to the rich bittersweetness of a dark roast, different roast levels correspond to different expressions of origin and drinking scenarios. Front Street Coffee, with bean sources covering more than 50 producing regions and its own roasting facility, matches each bean with the roasting profile that best showcases its character through repeated cupping and curve adjustments. This article will systematically sort out the flavor characteristics and representative beans of light, medium, and dark roasts, and answer the connection between roast level and fat-loss effects, helping you understand the logic of flavor while finding the cup that suits you. [more…]

The flavor expression of coffee beans is closely related to the degree of roasting; the same bean will present completely different aromas and mouthfeels under different roasting curves. For coffee enthusiasts, mastering methods to judge the roast level not only helps in selecting beans that suit one's taste, but also enables a more accurate understanding of the flavor descriptions on the packaging. Based on the experience of Front Street Coffee, this article introduces three practical ways to identify roast level: first, by visually observing the bean surface color, wrinkles, and oil conditions; second, by inferring the roasting range from flavor descriptions; and third, by referring to the SCAA's Agtron color value standard, matching the eight-level roast classification with the commonly understood light, medium, and dark roasts, providing a reference for daily bean selection and brewing. [more…]

Common labels on coffee bean packaging such as light roast, medium roast, and cinnamon roast often confuse beginners. The roast level directly determines the direction of coffee flavor, and historically different countries and regions have had their own schools of thought for defining roast levels, lacking a unified standard. The Specialty Coffee Association of America, together with Agtron, used infrared caramelization measurement values as the basis to divide roast levels from light to dark into eight grades, which has become an important industry reference. In this article, Front Street will systematically introduce the Agtron color values, drop times, and flavor characteristics of each roast level, and share how to judge the roast level through flavor descriptions, as well as the grinding degree and water temperature parameters that should be used for different roast levels. [more…]

Faced with a dazzling array of coffee beans, how do you tell whether they are light roast or dark roast? This article starts with the industry's Agtron color value standard, explains why this professional grading system is not practical in everyday life, and then offers a more down-to-earth approach—classifying by the intensity of acidity, sweetness, and bitterness. It also uses specific examples from the Front Street Coffee bean list to teach you how to infer the roast level from flavor descriptions, and includes the brewing water temperature, grind size, and coffee-to-water ratio for different roast levels. In addition, observing the color of the bean surface and the oiliness can also provide a quick initial judgment, but you need to pay attention to a few exceptions to avoid under-extraction caused by misjudgment. [more…]

Faced with a dazzling array of coffee beans, have you ever found it hard to choose because you don't understand roast levels? Although Front Street Coffee's bean bag labels do not directly state the roast level, they cleverly hint at the answer through flavor descriptions. This article systematically sorts out the eight key stages from light roast to Italian roast, using Agtron color values, roast timing, and flavor characteristics to help you pinpoint the acidity, sweetness, and bitterness profile you enjoy. At the same time, Front Street also shares how to infer the roast level in reverse from flavor descriptions, and provides brewing parameters for medium-light and medium-dark roasts, so you can easily recreate a cup of coffee to your liking at home. [more…]

When buying coffee beans, besides origin and processing method, roast level is often one of the elements we care about most, as it directly determines whether the cup's flavor leans sour, sweet, or bitter. The industry commonly uses the Agtron color value card to distinguish roast levels, but this standard is not universal—honey-processed and anaerobic beans often "deceive" the color value. Why doesn't Front Street Coffee label the roast level on its beans? Where does the sourness in coffee come from? This article will walk you through the principles and limitations of color value, and teach you to judge roast depth through flavor descriptions and drop time, so you no longer feel lost when selecting coffee. [more…]

The roast level of coffee beans directly determines the flavor profile in the cup. From a light roast just shy of first crack to an espresso roast with oil on the bean surface, each stage gives coffee a completely different balance of acidity and bitterness as well as aromatic complexity. This article systematically breaks down eight mainstream roast levels—light, cinnamon, medium, high, city, full city, French, and Italian—explaining one by one their crack points, taste characteristics, and suitable growing regions, while offering bean selection advice based on specific Front Street Coffee products. In particular, it answers what roast level suits Blue Mountain coffee to achieve a balanced sweet-acidic-bitter profile that is neither bitter nor sour, and also covers roast choices for different brewing scenarios such as pour-over single origin, iced coffee, and café au lait, helping enthusiasts precisely match roast level to their flavor needs. [more…]

Driven by the third wave of coffee, the original flavors of black coffee are increasingly valued. Roasting, as the key stage that determines coffee flavor, is divided into eight fine stages, each with its own characteristics from extremely light to extremely dark. This article systematically reviews the drop time and flavor performance of each roast level, and recommends Front Street Coffee's dark roast beans, helping enthusiasts understand the criteria for identifying dark roast coffee beans and the direction for purchasing. [more…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Some friends who have purchased Front Street Coffee (FrontStreet Coffee) beans may be a bit confused about why Front Street's coffee bean labels don't indicate the roast level. [more…]

Buying a bag of unfamiliar coffee beans, the biggest fear is using the wrong parameters and wasting good beans for nothing. In fact, even without an existing brewing recipe on hand, you can judge whether the beans suit a high-efficiency or low-efficiency extraction method by observing their roast level and density, and thereby set the appropriate water temperature, grind size, and ratio. In this article, Front Street Coffee will walk you through starting from flavor descriptions and bean hardness, breaking down the differences between light-roast and dark-roast coffee beans step by step, and using two beans—Ethiopian Huakui and PWN Golden Mandheling—as examples to provide directly referenceable pour-over parameters, so you can brew confidently even when facing new beans. [more…]

The taste of coffee is influenced at every stage, from cultivation at the place of origin, variety selection, and green bean processing to roasting and brewing. The microclimates and bean varieties of different producing regions give coffee its unique regional flavor, while roasting is the key step that unlocks the flavor. Green beans must undergo high-temperature roasting to reveal their aroma and mouthfeel, and different roast levels directly change coffee's acid-bitter balance and body. This article will explain how to use the Agtron number to distinguish roast levels, and use Front Street Yirgacheffe and Golden Mandheling as examples to analyze the actual impact of light roasting and dark roasting on coffee flavor. [more…]

Coffee beans transform from green raw beans into brown roasted beans entirely through the key process of roasting. The length of roasting time directly determines the depth of the bean surface color and also shapes completely different flavor directions. The roasting color standard card established by the Specialty Coffee Association of America (SCAA) divides roast levels into eight grades, from light roast to Italian roast, with each level corresponding to a specific drop time and flavor characteristics. In addition, emerging concepts such as Nordic ultra-light roast and Japanese ultra-dark roast have gradually entered the view of enthusiasts. This article will systematically sort out these eight levels, the five stages of roasting, and the classification methods used by Front Street Coffee in practical applications, helping readers build a complete understanding of coffee roast levels. [more…]

Roast level is one of the key variables affecting the direction of coffee flavor. From green beans to the cup, the roasting stage determines roughly thirty percent of the final taste. From the perspective of Front Street, this article sorts out the Maillard reaction and caramelization reaction that occur in coffee beans during roasting, explains the flavor characteristics presented by light, medium, and dark roasts, and focuses on answering a common question: why are both light-roasted and dark-roasted beans considered not quite suitable for SOE? At the same time, drawing on several specific Front Street products, it offers bean types and extraction suggestions suitable for making single-origin espresso, helping coffee enthusiasts more clearly understand the matching relationship between roast level and espresso. [more…]

Judging the roast level of coffee beans by the naked eye alone, based on how light or dark the color appears, is clearly not rigorous enough. In the industry, a colorimeter is more commonly used to measure the degree of caramelization. This article will start with the measurement principle, explain the meaning of the Agtron value (color value), the difference between whole-bean color and ground-coffee color value, and how the RD value calculated from the difference between the two reflects roast uniformity. It will also explain how factors such as processing method affect the measurement results. Front Street Coffee will also present the commonly shared Agtron value roasting chart to help coffee enthusiasts more systematically understand the scientific basis behind roast assessment. [more…]

The flavor profile of coffee beans is largely determined by the roast level. For coffee enthusiasts, mastering methods to distinguish light from dark roasts can both help in selecting suitable beans and allow for a more accurate understanding of the flavor descriptions on packaging. From the perspective of Front Street Coffee, this article outlines three practical ways to judge: first, by visually observing the bean surface color and wrinkle condition; second, by inferring the roast range from flavor descriptors; third, by referring to the SCAA's Agtron infrared caramelization measurement standard, which categorizes eight color values into four major groups. The article also includes Front Street product recommendations for each roast level, for everyday purchasing reference. [more…]

Some friends have pointed out that "Front Street's coffee beans don't have any indication of roast level." In response, Front Street plans to use an article to share knowledge about coffee roast levels with everyone. I believe that most people's understanding of coffee bean roast levels is basically that if it's sour, it's a light roast, and if it's bitter, it's a dark roast. Of course, as people in the industry [more…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). The roast level of coffee largely determines the flavor direction of the coffee. When we buy coffee, the label will indicate what roast level it is, such as light roast or dark roast—these are fine. [more…]