The Rarest Pigment in the World | Colour the Spectrum of Science | BBC Earth Science

The world's rarest pigment is YInMn Blue (Yttrium, Indium, Manganese). Discovered in 2009, it stands out for its brilliant, durable blue color that does not fade under light or high temperatures. Non-toxic and environmentally friendly, YInMn Blue is used in art, coatings and high-end building materials.