This Color Shouldn’t Exist — But It Comes From Insects

By Ouchul Hwang -

This Color Shouldn’t Exist — But It Comes From Insects

There are colors we think we understand.

Red appears everywhere—in paintings, fabrics, food, and memory. It feels immediate, almost natural, as if it simply belongs to the world.

But one of the most powerful reds in the history of art does not come from earth or mineral.

It comes from a living body.

From an insect.

The cochineal insect (Dactylopius coccus) produces one of the most intense natural reds ever used in painting. From this small organism comes carmine—a pigment that shaped not only art, but global trade and visual perception.

Discovery of Cochineal insects on cactus
Discovery of Cochineal insects on cactus

Discovery of Cochineal insects on cactus
Discovery of Cochineal insects on cactus

The Living Origin of Red

Cochineal insects live on prickly pear cactus, feeding on plant sap and embedding themselves into its surface.

Inside their bodies, they produce carminic acid—a chemical defense against predators. When crushed, this compound releases a deep red color.

For the insect, it is survival. For humans, it became color.

Indigenous cultures in Mesoamerica cultivated cochineal long before European contact, developing refined techniques for dye extraction. When the Spanish encountered it, they recognized its extraordinary value.

Soon, cochineal became one of the most valuable exports of the early modern world.

From Insect to Pigment

The transformation from insect to paint involves a precise sequence of steps.

First, the insects are cultivated on cactus farms and harvested in large numbers.

They are then dried—through sunlight or heat—to concentrate the pigment.

The dried bodies are ground into powder, from which the red dye is extracted.

Finally, metal salts such as aluminum are added, converting the dye into a stable pigment known as carmine.

The result is a red of remarkable depth—capable of interacting with light in ways that appear almost internal.

Collecting Cochineal pigment powder
Collecting Cochineal pigment powder

Collecting Cochineal insects on cactus
Collecting of Cochineal insects on cactus


The Red of Power

In Europe, cochineal transformed visual culture. It replaced older dyes and became a symbol of wealth and authority.

Royal garments, church textiles, and military uniforms relied on its intensity.

But its influence on painting was even more profound.

Velázquez and the Depth of Red

Diego Velázquez used red not as decoration, but as structure.

In works like Las Meninas, red appears subtly, integrated into space and light rather than dominating it.

Velázquez built color through layers—thin glazes that allowed light to pass through and reflect back.

Cochineal-based carmine was ideal for this method. Its translucency allowed for depth, creating surfaces that seem alive.

The color does not sit on the painting. It moves within it.

Instability and Time

Cochineal pigment is not perfectly stable. Over time, it can fade under light.

This instability gives the color another dimension.

It changes. It ages. It carries time within it.

From History to Practice

Understanding this material changes how I approach painting.

Color is no longer neutral. It has origin, process, and history.

Each pigment is a transformation—from life, from matter, from time.

Violin player
Violin Player, watercolor by Ouchul Hwang


Color as Relationship

Walking the Camino has reshaped how I see materials.

Nothing on the road is abstract. Everything is grounded—stone, dust, light.

When I paint, I no longer try to control color.

I respond to it.

Water moves. Pigment settles. The surface changes.

Painting becomes a relationship, not an act of control.

Carmine
Carmine Pigment Powder, Attribution: Stephhzz,CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons


Conclusion

A small insect, living on a cactus, produces a substance that becomes one of the most powerful colors in art.

This color travels across continents and enters the hands of painters.

It is not abstract.

It is alive—transformed, but not erased.

This color should not exist.

And yet, it does.

Some of these materials, these colors, and the quiet attention they require, have shaped not only how I paint—but how I move, and how I see.

These experiences have gathered into a longer form.

Buen Camino is a continuation of this journey— where walking, color, and perception meet.

Buen Camino — a watercolor journey

Follow my Camino sketches and watercolor practice

📷 @ouchul_hwang

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Ouchul Hwang is an artist whose work explores the relationship between walking, observation, and visual expression. His practice is rooted in the idea that movement shapes perception, and that drawing can emerge directly from lived experience rather than pre-planned intention. His work is closely connected to the Camino de Santiago, where he creates drawings and paintings during the act of walking. These works are often made quickly, using minimal tools, yet they aim to capture a deeper sense of presence and attention. Hwang’s approach emphasizes continuity over completion. Rather than focusing on isolated finished pieces, he builds a sequence of works that reflect the ongoing experience of movement. His materials are intentionally simple, allowing for daily practice without interruption. He is the creator of *Buen Camino*, a watercolor art book that documents his journey through walking, seeing, and drawing. His work invites a slower way of looking, where ordinary moments become visible through sustained attention.

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