There are at-home options for mole removal, but plastic surgeons usually recommend that you opt for proven methods of surgical or nonsurgical mole removal such as excision, punch removal, hyfrecation, and laser. Best, Dr. Karamanoukian Los Angeles
The darkness in this area appears to be melasma. Melissa is from a combination of sun exposure and often hormones as well. Please consult a board certified dermatologist to discuss options from bleaching creams to Cosmelan.
You mole appears to be healing fine. The yellow coloration you see is something called fibrin, which is part of wound healing, but many people mistake it for infection. It is definitely better to keep the wound moist, and sometimes this is the appearance you can get with keeping it...