Related Clues:

• Like volcanic fallout
• Soft drink for the colourless
• Grey as a bird
• Adult retiring is grey
• A cast beyond the pale?
• Like tree drained of colour?
• Extremely pale one avoiding observation
• The limit of Procol Harum's colour chart?
• Grey does give a toss
• He splits a couple of poles made of wood
• A pitch showing evidence of fire?
• A pitch full of grey dust?
• Weak light
• A quiet year, but rather grey
• Penny has beer and pasty