The highest belt in karate varies depending on the style, school, and country. However, in most styles of karate, the highest belt is the black belt. In some styles, there are belts above black, such as the red and white belt of Judo. However, in some schools of karate, the red belt is reserved for exemplary masters of the art and is above the black belt. It is important to note that the order of the karate belts also differs in different schools, and the colors of the belts can vary widely depending on the style.