Changed color (4)
I believe the answer is:
dyed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">changed color</span>' is the definition.<br/ ><span class="explanation-format__explanation">(dyeing is a kind of changing color)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dyed that I've seen before include "Given a new colour" , "Changed the colour of fabric" , "A shade unnatural" , "Stained - coloured" , "Artificially coloured" .)