Related Clues:

• Smokestack emission
• Light hair color
• Volcanic dust
• Hibachi residue
• Silvery gray
• It may be cast in a flick?
• Shade of gray
• Pinatubo product
• Silvery-gray
• Like an old grate
• Barbecue residue
• Like an abandoned campfire
• White as a ghost
• Washed-out
• It may be gone in a flick