Reliable Hull Teal

Latin re-ligāre, to bind back — adjectival suffix -able. As a color modifier, reliable implies a clear-and-trustworthy-and-consistent quality where the hue carries the visual register of dependable-and-consistent design-element. Sits at the crisp-and-honest end of the grid, parallel to dependable and trustworthy in usage.

Old English hulu, husk / shell. As a color modifier, hull implies a ship's-body-and-skin quality, the visual register of Royal-Navy-and-merchant-marine-hull hand-laid clinker-and-carvel-built timber-and-iron-and-steel ship's-hull-and-skin maritime-architecture surfaces under ship-hull-and-waterline maritime-and-dry-dock light. Sits at the modifier-and-nautical end of the grid, parallel to keel and prow 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.