Ostentatious Mirth Kelly

Latin ostentātiōnis, display — adjectival suffix -ous, derived from ostendere (to show). As a color modifier, ostentatious implies a saturated-and-attention-demanding-and-elaborate quality, the bright color of Belle-Époque-and-Gilded-Age showy-luxury-display interior-decoration. Sits at the bright-and-flamboyant end of the grid, parallel to flamboyant and showy in usage.

Old English myrgth, joy-or-pleasure. As a color modifier, mirth implies a hearty-and-laughing-and-festive quality, the visual register of Twelfth-Night-and-Mardi-Gras-mirth hand-hearty-and-laughing-and-festive Twelfth-Night-and-Mardi-Gras-and-Saturnalia mirthed-and-hearty-and-laughing-and-festive surfaces under Twelfth-Night-and-Mardi-Gras-and-Saturnalia banquet-hall-and-festival-square candlelit-revelry-light. Sits at the modifier-and-mood end of the grid, parallel to glee and merry in usage.

A bright yellow-green named for the Irish surname Kelly, common enough by the late nineteenth century to stand in for generic Irish in American slang. The color is the saturated, optically bright green of a Saint Patrick's Day parade: cleaner than shamrock, brighter than fern, with the pop-culture weight of a color used annually for green beer, green carnations, and the Chicago River.