Relative of turquoise (4)
I believe the answer is:
teal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">relative of turquoise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for teal that I've seen before include "Dark green-blue; duck" , "Type of duck" , "Small, short-necked duck" , "Strange tale of a duck" , "Bluish shade of green" .)