S Bra with S panty, S for 70A 70B 70C Hips 84-88cm.
M Bra with M panty, M for 75A 75B 75C, Hips 88-92cm
L Bra with L panty, L for 80A 80B 80C, Hips 92-96cm
XL Bra with XL panty, XL for 85A 85B 85C, Hips 96-100cm
Differences in color may be caused by some other reasons such as color reflection in the monitor,lighting,background etc.