colorCrimsonColors & materialsA deep red color word of kermes, cochineal, and later chemistry. Not scarlet, and not carmine the lake alone.Crimson is used in Medicine.Pliny’s Natural History treats deep crimson reds among dye speech. A Roman-era dye-color name, not red-ochre as earth pigment and not Tyrian purple as the murex dye already filed.from Pliny the Elder · Natural History, c. 77 CEused in · sourced · documentedsourcesNatural History · Pliny the ElderPliny, Naturalis Historia.