a — purple

b — orange

c — red

d — blue

e — yellow

f — green

black + white = grey

white + red = pink

blue + yellow = green

red + blue = purple

yellow + red = orange

red + blue + yellow = brown

The bag is black.

The books are green.

The ruler is red.

The pencil is orange.

The notebook is blue.T

he desk is brown.