Useful Flit Turquoise

Latin ūsus, use — adjectival suffix -ful. As a color modifier, useful implies a clear-and-purpose-serving quality where the hue carries the visual register of helpful-and-supporting design-element. Sits at the crisp-and-functional end of the grid, parallel to practical and serviceable in usage.

Old Norse flytja, to-move-or-shift. As a color modifier, flit implies a quick-darting-and-light-winged quality, the visual register of swallow-and-warbler-flit hand-quick-darting-and-light-winged swallow-and-warbler-and-darting-finch flitted-and-quick-darting-and-light-winged surfaces under swallow-and-warbler-and-darting-finch summer-eaves-and-hedgerow-and-meadow-edge dappled-flight-light. Sits at the modifier-and-mood end of the grid, parallel to hover and flutter 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.