Lucid End Lagoon

Latin lūcidus, clear / bright — derived from lūx (light). As a color modifier, lucid implies a clear-and-readable quality where the hue is unambiguous and free of optical clutter. Sits at the crisp-and-clear end of the grid, parallel to pellucid and plain in usage.

Old English ende, end / finish. As a color modifier, end implies a final-and-conclusion quality, the visual register of day's-end-and-year's-end final-and-conclusion close-of-period-and-end-of-day twilight-and-final-light surfaces under twilight close-of-period light. Sits at the modifier-and-time end of the grid, parallel to fall and eve 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.