Surveyed Gloom Lagoon

Old French surveer, to look upon — past-participle of survey. As a color modifier, surveyed implies a clear-and-measured-and-coordinated quality, the crisp color of Mason-Dixon-Line-and-Royal-Navy-Hydrographic scientific-and-cadastral land-and-sea surveying tradition. Sits at the crisp-and-mapped end of the grid, parallel to mapped and plotted in usage.

Middle English gloumen, to-look-sullen. As a color modifier, gloom implies a sullen-and-darkened-and-overcast quality, the visual register of Northumbrian-moor-and-Scottish-glen-gloom hand-sullen-and-darkened-and-overcast Northumbrian-moor-and-Scottish-glen-and-Yorkshire-dale gloomed-and-darkened-and-overcast surfaces under Northumbrian-moor-and-Scottish-glen overcast-and-low-cloud heather-and-bracken-light. Sits at the modifier-and-mood end of the grid, parallel to murk and drear in usage.

A shallow body of saltwater partially or fully enclosed by a barrier — coral atoll lagoons in the Pacific, Venice's Laguna Veneta, the Florida Keys' backcountry. The color refers to the average reflectance of a calm tropical lagoon at midday: a saturated, slightly muted blue-green with the optical clarity of shallow water over white sand. Brighter than reef, cooler than aquamarine, with the postcard weight of a Pacific atoll seen from above.