Useful Satyr Teal

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.

Greek σάτυρος, half-goat-and-Dionysian-companion. As a color modifier, satyr implies a half-goat-and-Dionysian-revel-and-pastoral quality, the visual register of Hellenic-Satyr-and-Dionysian-revel hand-half-goat-and-Dionysian-revel-and-pastoral Hellenic-Satyr-and-Dionysian-revel-and-Pan-pipes satyr-and-half-goat-and-Dionysian-revel surfaces under Hellenic-Satyr-and-Dionysian-revel-and-Pan-pipes Bacchic-procession-and-vine-leaf-crown Dionysian-revel-light. Sits at the modifier-and-myth end of the grid, parallel to faun and nymph in usage.

Anas crecca, the small dabbling duck whose male in breeding plumage sports a chestnut head crossed by a glossy green-blue stripe. The color refers to that stripe — the iridescent panel just behind the eye: a saturated, slightly muted blue-green with the optical depth of structural color rather than pigment. Cooler than cypress, warmer than cerulean, with the ornithological specificity of a color named for one feather of one bird.