Effective Horn Moss

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.

Old English horn, horn. As a color modifier, horn implies a translucent-keratin quality, the visual register of cattle-horn-and-deer-antler hand-shaped-and-polished translucent-keratin button-and-comb-and-knife-handle horn-and-antler surfaces under translucent-horn-and-antler hand-polished light. Sits at the modifier-and-texture end of the grid, parallel to bone and pith in usage.

Bryophyta — the nonvascular plants that colonized land 470 million years ago, before vascular plants and far before flowers. The color refers to a thick mat of Hypnum or sphagnum on a temperate forest floor: a soft, slightly yellow-shifted green with the velvet texture of millimeter-scale leaves. Dustier than fern, deeper than lichen, with the slow patience of a plant that lives by absorbing rain through its surface.