Heartening Sway 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.

Middle English swēven, to-move-side-to-side. As a color modifier, sway implies a side-to-side-and-rocking-and-rhythmic quality, the visual register of willow-branch-and-tall-grass-sway hand-side-to-side-and-rocking-and-rhythmic willow-branch-and-tall-grass-and-pendulum-clock swayed-and-side-to-side-and-rocking-and-rhythmic surfaces under willow-branch-and-tall-grass-and-pendulum-clock breeze-rocked-and-pendulum-and-cradle riverbank-meadow-light. Sits at the modifier-and-mood end of the grid, parallel to drift and float 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.