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Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye extracted from the leaves of some plants of the Indigofera genus, in particular Indigofera tinctoria . Dye-bearing Indigofera plants were commonly grown and used throughout the world, particularly in Asia, with the production of indigo dyestuff economically ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 January 2025. Blue colour associated with Persian pottery For the breed of cat known as a Persian Blue, or Blue Persian, see Persian cat. Not to be confused with Prussian blue. Persian Blue Common connotations Lapis lazuli ; Celestial sphere ; Heaven Color coordinates Hex triplet #1C39BB sRGB B (r, g ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 14 December 2024. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...
The main chemical constituent of the Tyrian dye was discovered by Paul Friedländer in 1909 to be 6,6′-dibromoindigo, derivative of indigo dye, which had been synthesized in 1903. [ 5 ] [ 6 ] Although the first chemical synthesis was reported in 1914, unlike indigo, it has never been synthesized at commercial level.
Scraps of Indigo-dyed fabric likely dyed with plants from the genus Indigofera discovered at Huaca Prieta predate Egyptian indigo-dyed fabrics by more than 1,500 years. [8] Colonial planters in the Caribbean grew indigo and transplanted its cultivation when they settled in the colony of South Carolina and North Carolina where people of the ...
True indigo is a shrub 1–2 metres (3 ft 3 in – 6 ft 7 in) high. It may be an annual, biennial, or perennial, depending on the climate in which it is grown. It has light green pinnate leaves and sheafs of pink or violet flowers. The rotenoids deguelin, dehydrodeguelin, rotenol, rotenone, tephrosin and sumatrol can be found in I. tinctoria. [3]
Payne's grey is a dark blue-grey colour used in painting. Originally a mixture of iron blue (Prussian blue), yellow ochre and crimson lake, [3] Payne's grey now is often a mixture of blue (ultramarine, phthalocyanine, or indigo) and black, [4] [5] or of ultramarine and burnt sienna.
The color Persian indigo is displayed at right. Another name for this color is regimental because in the 19th century it was commonly used by many nations for navy uniforms, though it is seldom used in modern times. Persian indigo is named for an association with a product from Persia: Persian cloth dyed with indigo.