Beige or tan, eg (5)
I believe the answer is:
brown
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">beige</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">tan eg</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(tan is a kind of brown)</span><br/ ><br/ ></span>
(Other definitions for brown that I've seen before include "Chocolate, perhaps" , "Colour (of the PM?)" , "5,27 [PRIME MINISTER]" , "Colour of toast" , "bookish father" .)