B. , Neutral.
Primary colors are Red, Blue, and Yellow.
Secondary colors are Orange, Purple, and Green.
Complimentary colors are two colors that compliment each other. For example. yellow and purple, green and red, and lastly blue and orange.
That leaves Neutral to represent the gray scale.
Hesiod, wrote Theogony from Greek mythology. If thats wrong, im sorry i got the information from wikipedia.
