A shade of purple (5)
I believe the answer is:
mauve
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a shade of purple</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mauve that I've seen before include "Pale violet colour" , "Bluish purple" , "Pale purple colour" , "Bluish-purple" , "sort of light seen in West" .)