Sanitary Fall Teal

Latin sānitās, health — adjectival suffix -ary. As a color modifier, sanitary implies a clear-and-clean-and-medical quality, the crisp color of Bauhaus-and-Modern clinical-and-hospital interior-architecture white-tile-and-stainless-steel surfaces. Sits at the crisp-and-clean end of the grid, parallel to hygienic and sterile in usage.

Old English feallan, to fall / autumn. As a color modifier, fall implies an autumn-leaf-and-harvest quality, the visual register of New-England-and-English-autumn deciduous-leaf-fall maple-and-oak-and-beech autumnal-orange-and-crimson surfaces under Northern-Hemisphere autumn raking light. Sits at the modifier-and-time end of the grid, parallel to yule and reap 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.