Possible Clues:

• Printer's blue-green hue
• Blue Conservative in truth sent up
• Blue one voting against Conservative in recession
• Blue ink
• Color in a color printer
• Color for the right eye of a pair of 3-D glasses
• Colour of extremely comfy afghan
• Color on the pansexual pride flag
• A shade of blue much favoured by crossword setters?
• Primary colour for printers