Percocet is a prescription medication used to treat moderate to severe pain. It is a combination of oxycodone, an opioid pain reliever, and acetaminophen, a non-opioid pain reliever. Percocet tablets are oval-shaped and come in different colors depending on the strength and manufacturer. The tablets may be white, pink, yellow, or blue and are marked with the name “Percocet” and the strength of the medication.