Reddish-purple (7)
I believe the answer is:
magenta
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">reddish-purple</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for magenta that I've seen before include "this might be an ink" , "Bright purplish-red" , "Deep purplish red" , "fuchsia" , "Colourful" .)