Japanese Ukiyo-e pop style illustration of Sumi (墨), minimalist, with related elements and soft colors on beige background.

Sumi
Sumi is traditional Japanese solid ink, essential for shodō calligraphy and sumi-e painting. You create the ink by grinding the solid stick on an inkstone with water.

▣ What exactly is Sumi, and why is it so crucial in Japanese art?

Sumi is the traditional solid ink stick used in Japanese calligraphy (shodō) and ink painting (sumi-e). It’s a compact blend of soot (derived from burning pine or vegetable oils), animal glue (nikawa), and sometimes natural fragrances.
It’s absolutely fundamental because its preparation and the nuanced shades of black it produces are at the heart of these art forms. It allows artists to convey a vast spectrum of emotions and depth using the simplicity of black alone. Its unique ability to create endless tonal gradations makes it an exceptionally expressive medium.

▣ What are the origins of Sumi, and how did it make its way to Japan?

Sumi boasts ancient origins in China, where it was already in use millennia ago. It likely arrived in Japan sometime between the 5th and 7th centuries, alongside Buddhism and Chinese culture. Buddhist monks used it to copy sutras, and from there, it spread, developing unique techniques and styles that ultimately blossomed into the refined Japanese art of calligraphy and ink painting.

▣ What is Sumi made from, and how does that affect the different types of black it produces?

Sumi is primarily composed of soot and animal glue (nikawa). The soot can come from burning pine wood (shōen-boku) or vegetable oils (yuien-boku). The choice of soot, its fineness, and the proportion of glue all determine the quality and type of black: pine-based soot tends to yield opaque, slightly bluish blacks, while oil-based soot produces denser, more lustrous blacks, each offering unique artistic characteristics.

▣ What sets Sumi apart from regular liquid black ink?

The main difference lies in its preparation and the control it offers. Sumi is freshly ground on an inkstone (suzuri) right before use, allowing the artist to fine-tune the density and tonal gradations. This process creates a ‘living’ ink, capable of expressing the concept of the ‘five colors of ink’ from a single black. While convenient, liquid ink is often pre-mixed and offers fewer nuances and less control over texture, also losing the meditative value inherent in the preparation process.

▣ How do you prepare Sumi before you begin painting or calligraphing?

To prepare Sumi, you gently rub the ink stick on the wet surface of a suzuri (inkstone). Use slow, circular motions, gradually adding small amounts of water. This process releases the pigment and binder, creating fresh, vibrant ink. The patience involved in grinding not only produces high-quality ink but also serves as a form of meditation and mental preparation for the artist.

▣ What is the symbolic significance of Sumi in Japanese artistic culture?

In Japanese artistic culture, Sumi embodies the essence of simplicity, depth, and connection with nature. It represents the idea that the universe can be expressed through black and its infinite gradations, reflecting the Zen philosophy that seeks to capture the spirit and essence of things rather than mere appearance. It stands as a symbol of purity and the delicate balance between light and shadow.

▣ Are there specific types of Sumi for different artistic techniques?

Yes, there are Sumi types optimized for various techniques. For instance, pine soot-based Sumi (shōen-boku) is often favored for sumi-e, thanks to its softer, more nuanced blacks that help create effects of depth and mist. Oil soot-based Sumi (yuien-boku), with its denser, more lustrous blacks, is ideal for calligraphy or precise details in painting, where stroke sharpness is paramount. The choice always depends on the artist’s desired effect.

▣ How should Sumi sticks and inkstones be properly stored?

Sumi sticks should be stored in a dry, cool place, away from direct sunlight and humidity, to prevent cracking or quality deterioration. It’s best to wrap them in paper or cloth. Inkstones (suzuri), after use, should be thoroughly washed with water and a soft sponge to remove all ink residue. Leaving dried ink on the suzuri can damage its surface and affect future grinding.

Illustrazione in stile giapponese stile Ukiyo-e versione POP di Sumi (墨), minimalista, con elementi correlati e colori tenui su sfondo beige.

▣ Fun Facts

• Many high-quality Sumi sticks contain natural fragrances like musk or sandalwood. This isn’t just to make the scent more pleasant while grinding, but also to help calm the mind and enhance the artist’s concentration.

• If stored correctly, Sumi sticks can actually improve with age, much like a fine wine! Sumi aged for decades produces smoother, more vibrant ink with greater tonal depth compared to freshly made sticks.

• Nara is considered the birthplace of Sumi production in Japan, boasting a thousand-year-old tradition. Even today, some of the finest Sumi sticks are still handcrafted in Nara, following methods passed down through generations.

Related terms

Ryokan (旅館) – Traditional Japanese inn with tatami, futon and omotenashi-style hospitality.
Wasei-eigo (和製英語) – Wasei-eigo are terms that, even though they come from English, have been coined and adopted in Japan with a meaning often quite different from the original, or are completely new inventions.
Raku-chawan (楽茶碗) – The Raku-chawan is a traditional Japanese tea bowl, crafted using the Raku technique, renowned for its rustic, tactile aesthetic and as a symbol of wabi-sabi.