1 and 9 are yellow 2 and 10 are blue3 and 11 are red4 and 12 are purple 5 and 13 are orange6 and 14 are green7 and 15 are dark red8 is blackcue is white
White is the one color that contains all colors. You can prove this by holding a prism up to white light, the light will come out on the other side in all colors.