What is another word for "gray"?

Roget's Thesaurus (1911) lists these synonyms for "gray": and, ash-colored, ashen, ashy, atramentous, black, blackamoor, blacken, blackness, blot, blotch, buck, calcareous, charcoal, chiaroscuro, cinereous, cineritious, coal, coal-black, color, cool, coon, crow, dark, darken, darkness, denigrate, derogatory, dingy, drab, dun, dusky, dye, ebon, ebony, favillous, for, fuliginous, grey, grisaille.