Related Clues:

• Blues
• Photoshop range
• Pigments
• Color shadings
• Car window options
• Some windshields have them
• Blue dyes obtained from plants
• Blue dyes from plants
• Windshield colorings
• Influences, as one's opinion
• Photo filters
• 50 shades of gray, e.g.?
• Slight colorings
• Coffee and wine
• Window-darkening treatments