Gray


 * ash
 * battleship gray
 * blue-gray
 * charcoal gray
 * cinder
 * cinereous
 * cloud
 * dark gray
 * dove
 * flint
 * granite
 * gray-white
 * greige
 * iron
 * lead
 * light gray
 * merle
 * moleskin
 * mouse
 * mushroom
 * neutral
 * nutria
 * obsidian
 * pale gray
 * pearl-gray
 * pelican
 * plumbago
 * powder-gray
 * salt-and-pepper
 * silver
 * silver gray
 * slate-gray
 * smoke-gray
 * steel-gray
 * taupe