Trustworthy Sparta Teal

Old English trēow, trust — adjectival suffix -worthy. As a color modifier, trustworthy implies a clear-and-reliable-and-honest quality where the hue carries the visual register of confidence-deserving-and-faithful-performance design-element. Sits at the crisp-and-honest end of the grid, parallel to reliable and dependable in usage.

Greek Σπάρτη, Sparta. As a color modifier, sparta implies a Lacedaemonian-and-warrior-city-state quality, the visual register of Spartan-Lacedaemonian-City-State hand-built bronze-armor-and-crimson-tunic-and-stone-temple Doric-warrior-state surfaces under Lacedaemonian-Sparta-and-Eurotas-Valley Doric-warrior-state Greek-Peloponnese light. Sits at the modifier-and-cultural end of the grid, parallel to athens and roman 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.