Related Clues:

• There's none so light as this
• You may make light of it?
• Gaudy light
• Bright, as a color
• Science of light and vision
• Unreactive element
• __ Deion: NFL nickname
• Advertiser's gas
• Krypton relative
• Marquee filler, maybe
• Material for some night signs
• Bright light on Broadway
• Bright light type on Broadway
• Gaseous element, in advertising signs, say
• Type of bright sign