/ˈnēˌän/
adjective
extremely bright, fluorescent (often used to describe certain colors)
Neon green is a color that demands attention...it’s bright, bold, and energizing.
- Adobe noun 1. a gaseous element of the noble gas group often used in fluorescent lights and signs The largest use of neon is in making the ubiquitous ‘neon signs’ for advertising. In a vacuum discharge tube neon glows a reddish orange colour. Only the red signs actually contain pure neon. - Royal Society of Chemistry 2. fluorescent lighting or signs, often containing the element neon The world, although well-lighted with fluorescents and incandescent bulbs and neon, is still full of odd dark corners and unsettling nooks and crannies. - from Firestarter, by Stephen King (1947 - )