Effective Ray Lagoon

Latin effectīvus, productive — adjectival suffix -ive. As a color modifier, effective implies a clear-and-purpose-achieving quality where the hue carries the visual register of successful-task-completion design-element. Sits at the crisp-and-functional end of the grid, parallel to practical and useful in usage.

Latin radius, spoke-or-beam. As a color modifier, ray implies a radiant-and-spoke-of-light quality, the visual register of Bernini-Gloria-and-Baroque-altarpiece-ray hand-radiant-and-spoke-of-light Bernini-Gloria-and-Baroque-altarpiece-and-Counter-Reformation rayed-and-radiant-and-spoke-of-light surfaces under Bernini-Gloria-and-Baroque-altarpiece-and-Counter-Reformation gilded-spoke-and-altar-and-cathedral-dome heavenly-light. Sits at the modifier-and-mood end of the grid, parallel to beam and gleam 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.