Phosphorescent Lull Turquoise

Greek phōsphóros, light-bringer — adjectival suffix -escent. As a color modifier, phosphorescent implies a saturated-and-cool-glow-after-stimulation quality, the bright cool-green-blue color of Cu-doped-ZnS glow-in-the-dark photoluminescent surfaces. Sits at the bright-and-cool end of the grid, parallel to fluorescent and luminous in usage.

Middle English lullen, to-sing-to-sleep. As a color modifier, lull implies a hushed-and-pacified-and-cradled quality, the visual register of cradle-song-and-vesper-lull hand-cradled-and-rocked cradle-and-cot-and-crib hand-rocked-and-sung-to-lulled-and-cradled lulled-and-cradled surfaces under cradle-song-and-vesper hush-and-quiet-and-still bedside-and-nursery-light. Sits at the modifier-and-mood end of the grid, parallel to hush and soothe in usage.

The hydrated copper-aluminum phosphate mined in Persia and the American Southwest for thousands of years — the firuze of Iran, the chalchihuitl of Mesoamerica, the heart of Pueblo and Navajo silverwork. The color refers to a fine Sleeping Beauty turquoise from Arizona: a saturated, slightly green-shifted blue with the slight matrix of host-rock veining. Brighter than persian, lighter than cerulean.