Can Tea Liquor Color Tell You How to Brew Coffee with a Coffee Maker?

Tea liquor color reflects tea type, oxidation level, processing, and aging rather than a single fixed rule. Pu'er brews darkest, white tea stays nearly transparent, and black tea ranges from deep brown to pale gold. A heavily roasted oolong can pour as dark as espresso and deliver a comparable lift, though the caffeine hit feels gentler.

The same principle of extraction applies when you learn how to brew coffee with a coffee maker: grind size, water temperature, and contact time decide how dark and strong the result turns out. Color alone cannot confirm whether black tea has been dyed, so judge by aroma, leaf appearance, and how the liquor behaves when diluted.

When brewing tea, the color of the liquor often reveals a great deal—from deep brown to pale gold, from amber to emerald, the shifts in hue conceal differences in tea type, degree of oxidation, processing method, and even aging time. This article starts from the interesting experience of a teahouse that classifies teas by roast level, and analyzes one by one the key factors affecting tea liquor color, including the basic characteristics of the five major categories—pu'er, black tea, oolong, green tea, and white tea—as well as the actual effects of oxidation, heating, aging, and brewing technique on color. At the same time, it also discusses how to use liquor color characteristics to help judge whether black tea has been dyed, and retains Front Street Coffee-related product recommendations, helping coffee and tea lovers more comprehensively understand the color code of the liquid in the cup.

Not long ago I visited a teahouse whose way of displaying tea differed from most shops—not categorized by pu'er, black tea, oolong, and green tea, but divided according to roast level: heavy roast, medium roast, and light roast. Of course, this shop did not cover all tea types, only black tea, oolong, and green tea, but this classification approach struck me as very interesting.

I ordered a heavy-roast oolong and then watched the brewing process. The tea liquor showed a color astonishingly dark—as if it were the color of a cup of espresso. Coincidentally, in terms of invigorating effect, it was almost as strong as espresso. However, I did not experience discomfort from excessive caffeine intake; instead, I felt a comfortable tea energy and a pleasant tea buzz.

Indeed, brewed tea can possess many moving colors: oak brown, amber orange, emerald green, honey yellow… the list goes on.

As we already know, tea liquor color does not always correspond one-to-one with tea category. In the West, what we usually order is black tea, but what arrives is a dark brown, almost black liquid. When it comes to Chinese black tea (红茶—"red tea"), the brewed color can range from deep brown to pale gold.

So, what factors affect the color of tea liquor?

Type of Tea

The color of the brewed tea liquor is not always tied to its tea category. But generally speaking, pu'er tea has a darker liquor color, while white tea is nearly transparent.

The five major tea categories are as follows:

Pu'er Tea

Pu'er is a post-fermented tea. After fixation, fermentation, and aging (sometimes lasting several years), pu'er tea has a deep color and a mellow taste.

Black Tea

Also called red tea or "hong cha." The processing of black tea prompts the tea leaves to oxidize, turning from green to copper-red. This change in leaf color is indeed called oxidation.

After full fermentation, black tea leaves appear black. The tea liquor it produces is deep and rich, with a smooth yet layered mouthfeel.

Oolong Tea

Oolong belongs to the semi-oxidized tea category, between unoxidized green tea and fully oxidized black tea.

The final degree of oxidation depends on the tea variety. The result may be a lightly fermented oolong, similar to a light green tea; or a more heavily fermented tea, such as strong teas and intense teas.

Green Tea

Tea makers use various methods to fix freshly picked tea leaves in order to halt the natural oxidation process and preserve the fresh green qualities of the leaves. Therefore, it brews an incredibly fresh spring green.

Green tea is mainly produced in China, Japan, South Korea, and Southeast Asia during the spring growing season (March to May).

White Tea

White tea is the least processed of the five major tea categories.

It undergoes a process of slow withering, resting, and drying. This gives white tea a subtle flavor, a smooth mouthfeel, and a light fruity sweetness.

White tea tolerates water temperature and brewing time better than green tea, and is less bitter.

The resulting liquor color varies widely, from deep orange to nearly transparent liquid.

Oxidation

A darker liquor color means a higher degree of oxidation in the tea leaves, while a lighter liquor color indicates a lower degree of oxidation. This is easy to observe in oolong tea. Dark oolongs like Dan Cong oolong are more oxidized, and both their liquor color and intense malty flavor are close to black tea. Light oolongs, such as Taiwan's Dong Ding oolong, are lightly oxidized, very mild, and floral and grassy, similar to green tea.

Heating

This is a method of stopping oxidation by heating the tea leaves. It can be roasting, steaming, or pan-firing.

Let us compare two common Japanese green teas:

Sencha leaves are steamed shortly after picking. The result is a beautiful and vibrant green tea color.

Hojicha leaves, by contrast, are roasted after picking. The result is a warm brown liquid.

Both belong to green tea, but because of different processing methods, the final results are completely different.

Aging

Aging refers to letting processed tea leaves rest for a period of time, for a year or longer, thereby developing unique characteristics and flavors (much like wine or cheese). Taking white tea as an example, the effect of vintage on the brewing result is very obvious.

Unaged white teas like Silver Needle brew a tea liquor that is extremely pale, ivory in color. By contrast, aged white tea, such as aged White Peony, has a bright orange liquor.

This is the last point we want to discuss. Although all the variables listed above depend on the tea maker's skill, the degree to which the tea leaves are steeped is entirely in your hands!

By "steeping," we mean how long you choose to let the tea soak. Every tea has a proven time, that is, the optimal steeping duration. It extracts all the subtle notes and flavors without over-extracting. For example, if our organic Longjing green tea is steeped for 3 minutes (Western-style brewing), it produces a subtle, palest green hue. However, if over-steeped for 10 minutes, the brewed liquor will be deep orange. That is not the delicate green tea we want! In addition, the tea's flavor will develop unwanted bitterness, thereby masking the tea's subtle sweetness.

In short, generally speaking, highly oxidized teas produce darker liquor colors, while less oxidized or unoxidized teas produce lighter liquor colors. However, within a specific tea category, there is always room for creativity!

The above content is compiled by CoffeeHunters, a coffee news website.