Heartening Pall Lagoon

Old English heorte (heart) — present-participle of hearten. As a color modifier, heartening implies a clear-and-uplifting-and-encouraging quality where the hue carries the visual register of cheerful-encouraging color-tone. Sits at the crisp-and-cheerful end of the grid, parallel to welcoming and cheerful in usage.

Latin pallium, cloak-or-funeral-cover. As a color modifier, pall implies a cloaked-and-shrouded-and-funereal quality, the visual register of Roman-Catholic-and-Anglican-pall hand-cloaked-and-shrouded-and-funereal Roman-Catholic-and-Anglican-and-Orthodox-funeral funeral-pall-and-coffin-shroud-and-altar-cloth surfaces under Roman-Catholic-and-Anglican funeral-pall-and-coffin-shroud cathedral-incense light. Sits at the modifier-and-mood end of the grid, parallel to gloom and shade 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.