Possible Clues:

• Changed colors
• Applied Clairol, perhaps
• Made blue, in a way
• Blond, in many cases
• Turned yellow, perhaps
• Did a salon job
• Went from blond to brunette, in a way
• Colored like Easter eggs
• 'Passed away, by the sound of it, just a shade of for a change (4)'
• Went brunette, perhaps