Blue blood

For maya black the blood drawing is a normal thing that every kid at 18 has to do, its a blood drawing that determines what you will do in the future
The color of your blood tells your your future-
Red- slaves
Orange-lowest class
Yellow- middle class
Green-military
Purple-highest class
White-doctors
Black-workers
Pink-celebrity's
Blue- altered ( rarest )
Maya thinks that her blood will be purple like her parents, but when it's discovered to be blue she is taken away from her friends and family to a remote place where she meets more like her, and finds out why their really here...