It create visual is to be balance
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.
Just say yeah and Jk. Rowling isn't an author because she doesn't write realisticly