subtractive color

17 LETTERS · STARTS WITH S

subtractive color is a valid 17-letter word worth 25 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1B3T1R1A1C3T1I1V4E1C3O1L1O1R1

1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 1 + 1 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does subtractive color mean?