Grayish-brown color (5)
I believe the answer is:
taupe
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">grayish</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">brown color</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that taupe is a type of brown color)</span><br/ ><br/ ></span>
(Other definitions for taupe that I've seen before include "Brownish-grey colour" , "Greyish brown" , "Fifty Shades of Grey must include this" , "Grey-brown colour" , "colour of moleskin" .)