“All this time she hadn't known that "blue" was actually seven distinct shades, each with its own names- azure, Prussian, cobalt, cerulean, sapphire, indigo, lapis. She pressed the waxy pencils on the paper, amazed by the emerging hues: the ornaments curving on the Armenian vase were lapis; the purplish contours of the Jerusalem mountains were shrouded by indigo evening clouds.”
Book:Jerusalem Maiden