Related Clues:

• Dark
• Unnatural, in a way
• Turned blue, perhaps
• Pitch-black
• Black as night
• Like the ocean depths
• Made blue, perhaps
• Not natural
• Like cuttlefish defenses
• Went from blond to brunette, in a way
• --- in the wool
• Apt name for a pet squid?
• Like a squid's squirt
• Not natural, perhaps
• Jet black