Related Clues:

• Bluish color
• Tiny migrating duck
• Liquid, to a pharmacist
• A primary color
• Greenish shade
• Turquoise cousin
• Printer's blue
• Relative of a widgeon
• Sea-green
• River duck
• Prefix with lung or marine
• Blue-green shade
• Color similar to turquoise
• Canvasback kin
• Lung attachment?