Orange Coral Pigment

Description

Orange Coral is a rare, natural pigment made from finely ground marine coral (Corallium rubrum), traditionally harvested from the Mediterranean Sea (this variety is ethically harvested from the South China Sea). Known since antiquity for its pastel red hue and deep symbolic associations with life, vitality, and protection, this pigment is created using ethically sourced, antique, or reclaimed coral to avoid any impact on living coral reefs.

When processed into pigment, Orange Coral yields a very light, off white orange tone with subtle undertones and a natural granulation that lends depth and texture to artworks. It is a mineral based pigment with semi-opaque coverage, making it well suited to fresco, egg tempera, oil, and traditional watercolor techniques. Its unique tone pairs beautifully with historical color palettes, particularly gold leaf, ultramarine, and verdigris.

History

Orange coral has been treasured for over four thousand years across a wide range of cultures, from Mesopotamian and Mediterranean civilizations to India and Tibet. Pliny the Elder describes its value and usage in Roman times, not only as a luxury ornament but also as a protective talisman. Ground red coral was used sparingly in medieval painting and manuscript illumination, often reserved for sacred or symbolic imagery.

In both Islamic and Christian traditions, coral represented divine protection, blood, and the soul, appearing in religious icons, apotropaic charms, and rare artworks. Though expensive and difficult to prepare, its rare beauty and spiritual connotations made it a pigment of reverence, especially in high status commissions. Today, responsibly reclaimed coral allows for the revival of this ancient pigment in conservation work, historical painting, and fine art practice. In the pictured artwork of Thangka Five Buddhas, Coral pigments are used throughout to create soft pastel colors.

Pigment Information

Pigment Type: Natural mineral pigment from Corallium rubrum (marine coral)
Source: Natural coral (ethically sourced)
Origin: Marine (natural)
Suitable Mediums: Fresco, Egg Tempera, Oil, Acrylic, Watercolor (with proper mulling)
Lightfastness: Excellent
Opacity: Semi-opaque to opaque
Other Names: Coral Orange, Mediterranean Coral, Corallium Pigment
Color Index Code: Not assigned (historical classification only)
Image: Thangka Five Buddhas

Health and Safety

• For art use only. Not for cosmetic, food or children's use.
• Keep out of reach of children and pets. Do not eat, drink or smoke while working.
• Avoid creating or breathing dust. Work in a ventilated area and wear a NIOSH approved dust respirator (P100 or better) when handling dry pigment.
• Wear gloves and eye protection. Wash hands and work surfaces after use, and never rinse pigment into drains.
• Do not spray apply, sand or burn.
• If swallowed or if you feel unwell, contact a poison control center (U.S. 1-800-222-1222) or a doctor.
• Safety Data Sheet available on request.