Earth hue (5)
I believe the answer is:
ochre
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">earth hue</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 ochre that I've seen before include "natural colouring" , "What gives a yellow colour" , "Earthy pigment - light brownish-yellow" , "Yellow-orange colour" , "Pigment made from clay and iron oxide" .)