Recipe for vivid Maya Blue paint deciphered[ Wed, 03 Apr 2013 15:28:51 GMT ]By Megan GannonLiveScienceThe ancient Maya used a vivid, remarkably durable blue paint to cover their palace walls, codices, pottery and maybe even the bodies of human sacrifices who were thrown to their deaths down sacred wells. Now a group of chemists claim to have cracked the recipe of Maya Blue.Scientists have long known the two chief ingredients of the intense blue pigment: indigo, a plant dy...