Orderly Blithe Lagoon

Latin ōrdō, order — adjectival suffix -ly. As a color modifier, orderly implies a clear-and-arranged-and-organized quality where the hue carries the visual register of carefully-ordered-and-classified placement. Sits at the crisp-and-orderly end of the grid, parallel to methodical and organized in usage.

Old English blīthe, joyful-and-kind. As a color modifier, blithe implies a carefree-and-light-hearted-and-cheerful quality, the visual register of Shakespearean-pastoral-and-Forest-of-Arden-blithe hand-carefree-and-light-hearted-and-cheerful Shakespearean-pastoral-and-Forest-of-Arden-and-As-You-Like-It blithe-and-carefree-and-light-hearted-and-cheerful surfaces under Shakespearean-pastoral-and-Forest-of-Arden-and-As-You-Like-It English-greenwood-and-shepherd's-meadow Maytime-light. Sits at the modifier-and-mood end of the grid, parallel to merry and jolly 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.