Useful Horus 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.

Egyptian Heru, falcon-headed-sky-god. As a color modifier, horus implies a falcon-headed-and-Eye-of-Horus quality, the visual register of Egyptian-Horus-and-Edfu-temple hand-falcon-headed-and-Eye-of-Horus Egyptian-Horus-and-Edfu-temple-and-falcon-pharaoh horus-and-falcon-headed-and-Eye-of-Horus surfaces under Egyptian-Horus-and-Edfu-temple-and-falcon-pharaoh Edfu-Aswan-temple-and-falcon-throne falcon-eye-light. Sits at the modifier-and-myth end of the grid, parallel to isis and thoth 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.