Chay root dye
In its own language: சாயா வேர்
A red dye from the root bark of a plant native to India
No single value: Chay root dye is a material, and its colour varies. The background shows its family, red.
Chay root dye is a red colouring substance taken from the root bark of Oldenlandia umbellata, a plant found in India. The dye is known for its ability to hold its colour well on fabrics such as calico, wool, and silk, especially when used with a mordant.
- Extracted from the root bark of Oldenlandia umbellata
- Known for producing a colour-fast red dye
- Used on calico, wool, and silk fabrics
- Grown on the Coromandel Coast in India
What colour is Chay root dye?
Chay root dye is a red colouring agent obtained from the root bark of Oldenlandia umbellata, a low-growing plant native to India. The dye is known for being colour-fast, meaning it holds its colour well on fabrics. It is mainly used to dye textiles such as calico, wool, and silk, giving them a lasting red hue.
Where does Chay root dye come from?
The name 'chay root' comes from its Tamil name, chaaya ver. The plant grows on the Coromandel Coast in India. The dye has a long tradition in Indian textile work, where it was valued for its strong, lasting red colour.
How is Chay root dye made?
To make the dye, the root bark of a two-year-old Oldenlandia umbellata plant is harvested. The dye is then extracted and applied to fabrics, usually with a mordant, which is a substance that helps fix the dye to the textile fibres.
Where Chay root dye is used
Chay root dye was once widely used in India to colour fabrics such as calico, wool, and silk. Its colour-fast quality made it especially valued in textile production. The dye was applied with a mordant to ensure the red colour would stay bright and not wash out easily.
Red around the world
What the red family means from country to country.
Many Hindu brides marry in a red sari or lehenga. In much of north India a married woman wears sindoor, a red powder, along the parting of her hair.
Weddings and marriageLuck and prosperityJoyLoveSource: SindoorThe flag uses the four Pan-Arab colours: a red bar at the hoist with green, white and black bands. It was designed by a young Emirati, Abdullah Al Maainah, in 1971.
Politics and protestPrideSource: Flag of the United Arab EmiratesThe flag is a black double-headed eagle on red, the banner of the fifteenth-century hero Skanderbeg. Fans chant Kuq e Zi, red and black.
Politics and protestPrideSource: Flag of AlbaniaArmenian scribes painted manuscripts with vordan karmir, a crimson dye made from an insect that lives on the roots of grasses in the Ararat plain.
Sacred and holySource: Armenian cochinealUnder Juan Manuel de Rosas in the 1830s and 1840s, everyone had to wear a scarlet ribbon to show loyalty to his Federalist party. His enemies, the Unitarians, were tied to sky blue.
Politics and protestFearSource: Juan Manuel de RosasThe flag is red, white and red. Legend says Duke Leopold V's white tunic was soaked in blood at the siege of Acre, all but the band under his belt.
Politics and protestCourageSource: Flag of AustriaShades and relatives of Chay root dye
Chay root dye is one of several natural red dyes used in textiles. It may be confused with other plant-based reds, but its colour-fastness and use with a mordant set it apart.
Questions people ask about Chay root dye
What colour is chay root dye?
Chay root dye produces a red colour, known for being colour-fast on textiles such as calico, wool, and silk.
Where does the name 'chay root' come from?
The name comes from the Tamil term 'chaaya ver', referring to the root of Oldenlandia umbellata.
How is chay root dye made?
The dye is extracted from the root bark of a two-year-old Oldenlandia umbellata plant and used with a mordant to colour fabrics.
Where is chay root dye produced?
It is grown and produced on the Coromandel Coast in India.
Good reading and sources
- Oldenlandia umbellata on WikipediaEncyclopedia
- More pictures on Wikimedia CommonsPictures
- Wikidata recordOpen data
The facts on this page come from the Wikipedia article "Oldenlandia umbellata", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). Rang rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes. The swatch is an approximation: named colours are not fixed standards, and every screen shows them a little differently. If something is wrong, tell us. Last refreshed 2026-10-03.
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