Primary color
'primary color' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for red that I've seen before include "Bordeaux claret, for instance" , "could be a Marxist" , "Primary colour" , "The colour of the former Russian army" , "Stop light" .)
'primary color' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for blue that I've seen before include "Sea colour" , "Colour of low spirits" , "Sad; university sportsman" , "coarse" , "Woodland flower" .)