Related Clues:

• Ruby, e.g
• Cardinal, e.g
• Like Mars, apparently
• Crimson, e.g
• Revolutionary with bar forbidden to enter
• Word with cent or cell
• River through Fargo or Hanoi
• Cherry's color
• Cherry, e.g
• Brake-light color
• Like ketchup
• It's in Roy G. Biv
• Spectrum start
• Suggestion by a sommelier, perhaps
• Rose's hue