CLEVELAND - AkzoNobel, the world's largest paint and coatings company, unveiled today its 2013 Color of the Year, Indigo Night. The rich blue shade was determined by the company through a study of ...

Indigofera tinctoria or "True Indigo" (Guillaume Léotard/INaturalist) In a peer reviewed article titled “Indigo from Indigofera spp.: Historical and Cultural Overview” on the UF/IFAS, it ...