Touch of color
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">touch of color</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 tinge that I've seen before include "Slight tint" , "A smack" , "Little bit of colour" , "Touch (of colour?)" , "A shade or a nuance" .)