Heartening Rune 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.

Old Norse rún, secret-or-runic-letter. As a color modifier, rune implies a Norse-runic-letter-and-Futhark-and-incised-stone quality, the visual register of Elder-Futhark-and-Norse-runic-stone hand-Norse-runic-letter-and-Futhark-and-incised-stone Elder-Futhark-and-Norse-runic-stone-and-Viking-grave-marker rune-and-Norse-runic-letter-and-Futhark surfaces under Elder-Futhark-and-Norse-runic-stone-and-Viking-grave-marker Jelling-stone-and-Rök-runestone runic-incision-light. Sits at the modifier-and-myth end of the grid, parallel to omen and sigil 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.