It most commonly comes in tablet form. Although the colors can vary, the shape could be oval as well as round. Additionally, it comes in three different colours white, blue, and green. In case your doctor has prescribed you to shop Percocet online legally. It is a combination medication that includes one opioid i.e. oxycodone and one non-opioid i.e. acetaminophen. Other prescription drugs with the same name include Primlev and Endocet.