Pale brown colour (5)
(Other definitions for beige that I've seen before include "Yellowish-brown" , "Shade of brown" , "Taupe" , "Light sandy fawn colour" , "Pale brown" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pale brown colour</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for oatmeal that I've seen before include "Pale variegated brown colour" , "Porridge constituent" , "ground food!" , "It's boiled for porridge" , "Porridge ingredient" .)