Equine shade (4)
I believe the answer is:
roan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">equine shade</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 roan that I've seen before include "Horse with a coat of mixed colour" , "Red-coloured horse" , "Nora (anag) - horse" , "Reddish-coloured horse" , "Bay horse with white/grey hairs in its coat" .)