Clothing color matching principle: warm colors should not be matched with cool colors. Warm colors include red, orange, yellow, and pink. Cool colors include cyan, blue, purple, green, and gray. Intermediate colors include black, white, and brown. Clothing and  body shape matching coordination principle: 1 people who are overweight should not wear warm or light-colored clothing; 2 people who are thin should not wear dark clothing.
in line with the above principles?
Fat C wears dark blue top with pure black pants.