Blue + () = green () + Red = pink white + Black = () + yellow = orange blue + () = purple black + blue = ()

Blue + () = green () + Red = pink white + Black = () + yellow = orange blue + () = purple black + blue = ()

Blue + (yellow) = green (white) + (purple) + Red = pink, white + Black = (gray)
(red) + yellow = orange, blue + (red) = purple, black + blue = (black or dark blue)