Related Clues:
- Advertising sign medium
- Inert element
- Eye-catching signs
- Loud, as a color
- It's next to fluorine on the periodic table
- Strip proliferation
- Advertising material?
- Commercial sign
- Las Vegas glitter
- "Open all night" sign, maybe
- __ Carrot: Crayola color
- Flashy sign
- Advertising lights
- Garish night light
- Gas in glass tubing