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Boku-Undo E-Sumi Chromatic Fusion Japanese Watercolors with Sumi Ink (Set of 6 Brilliant Colors)

Boku-Undo E-Sumi Chromatic Fusion Japanese Watercolors with Sumi Ink (Set of 6 Brilliant Colors)

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Boku-Undo Mei (Bright) Watercolours 6 Colours

The intensity and perfect balance between pure pigment and the mystery of Japanese sumi ink!
If the classic E-Sumi set focuses on the darkness of shadows, the Boku-Undo E-Sumi Mei (Bright) celebrates the vibrancy of colours without losing the enigmatic soul of Japan. Manufactured in Nara by the bicentennial Boku-Undo, this set was designed for artists looking for rich, luminous and saturated colours, but infused with the traditional black sumi ink base (natural soot).
On paper, the result is a poetic contrast: juicy and vibrant colours that carry dark and mysterious undertones at their base.

Vivid Saturation with the Color-Splitting Effect
The Mei line is famous for its unique pigment separation capability. When you apply plenty of water or use fluid techniques, the bright coloured pigment expands energetically, while the black micro-particles of sumi ink settle on the paper, creating organic contours and automatic three-dimensional shading. It's the perfect encounter between chromatic modernity and ancient Japanese tradition.
As with the classic line, Boku-Undo uses traditional manufacturing formulations that combine the base of natural soot (carbon black) with highly saturated organic dyes and high-quality mineral pigments. For this reason, standardized ASTM codes are not used on the packaging, but rather factory codes and traditional Japanese nomenclatures (Toumei, Kimei, etc.).
Below you will find the technical data sheet based on pigment tests and analyses and lightfastness for this vibrant collection:
Colour Name (English) Official Colour No.
Pigment(s) / Composition Base Lightfastness 
Shadow Pink (Toumei) E09 Sumi Soot + Organic Pink/Carmine Dye Moderate-Low (The vibrant pink tone may fade under direct sunlight)
Shadow Yellow (Shadow Yellow / Kimei) E10 Sumi Soot + Organic Yellow Pigment High (Excellent lightfastness / Creates olive-green tones)
Shadow Green (Shadow Green / Ryokumei) E11 Sumi Soot + Phthalocyanine Green Pigment High (Excellent lightfastness / Similar effect to Perylene Green)
Shadow Blue (Shadow Blue / Seimei) E12 Sumi Soot + Ultramarine Blue Base High (Excellent lightfastness with granulated texture)
Shadow Purple (Shadow Purple / Shoumei) E13 Sumi Soot + Quinacridone Violet Moderate (More stable than classic purple, but avoid direct sunlight)
Shadow Vermilion (Shadow Vermilion / Shumei) E14 Sumi Soot + Organic Red/Iron Oxide Pigment High (Good UV stability / Opaque terracotta-style drying)


Product Highlights:
  • Higher, Brighter Pigmentation: Unlike desaturated or pastel colors, the Mei range offers intense shades that pop.
  • Traditional Sumi Ink Base: Dries to a unique velvety matte finish, ideal for creating depth in botanical illustrations, anime, manga, and contemporary watercolor.
  • Emotional Palette: Six deep chromatic variations (Vivid Red, Intense Yellow, Vibrant Green, Luminous Blue, Rich Purple, and Warm Brown, all modified by black undertones).
  • Large Style Gansai Pans: Perfect for quickly scooping ink with calligraphy brushes or large watercolour brushes.
Artist Tip:
For artists who like to create extreme contrasts, the Mei set is the ideal match for the Aurora set. Use the rich, deep colours of the Mei palette for base layers and use the interference shimmer from the Aurora line for the final light details.
Bring more life and drama to your creations with Boku-Undo's most expressive collection!
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