Rose madder is a red paint made from the pigment madder lake, a traditional lake pigment extracted from the common madder plant Rubia tinctorum.
Rubia tinctorum, from whose root the colour is extracted
Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources—roots, berries, bark, leaves, and wood—and other
Naturally dyed skeins made with madder root, Colonial Williamsburg, VA
Oaxaca artisan Fidel Cruz Lazo dying yarn for rug making
Dyeing wool cloth, 1482, from British Library Royal MS 15.E.iii, f. 269.
A dye-works with baskets of dyestuffs, skeins of dyed yarn, and heated vats for dyeing, in Odisha, India.