What is Indigo dye?
Indigo [[dye]] is an organic molecule<ref>{{Cite web|title=PubChem|url=https://pubchem.ncbi.nlm.nih.gov/compound/Indigo#section=Ecological-Information}}</ref> that appears dark [[blue]] or [[indigo]] when applied to [[cloth]]. While the [[Indigofera|indigo plants]] are the most famous source of indigo dye, other plants are able to produce the same compound, including [[woad]],<ref>{{Cite journal|title=Indigo dyeing from Isatis tinctoria L.: From medieval to modern use|url=https://www.sciencedirect.com/science/article/abs/pii/S0143720822005976|journal=Dyes and Pigments}}</ref> Pink Strobilanthes,<ref>{{Cite journal|title=Island blues: indigenous knowledge of indigo-yielding plant species used by Hainan Miao and Li dyers on Hainan Island, China|url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6609400/|journal=Journal of Ethnobiology and Ethnomedicine}}</ref> Japanese indigo,<ref>{{Cite web|title=Exploring the Origins of Aizome―Traditional Indigo Dyeing|url=https://www.japan.travel/en/japan-magazine/exploring-the-origins-of-aizome-traditional-indigo-dyeing/}}</ref> and Yoruba indigo.<ref>{{Cite journal|title=Yoruba indigo. (Lonchocarpus cyanescens, Benth.)|url=https://www.jstor.org/stable/4120198|journal=Bulletin of Miscellaneous Information (Royal Botanic Gardens, Kew)}}</ref> ==References== {{reflist}} [[Category:Pigments]]