Paul Mitchell The Color 4RV 3oz - Red Violet Brown Paul Mitchell The Color 4RV gives out a natural and long-lasting Ultra Red Violet Brown color with added benefits. Developed with a beeswax base and other natural conditioners, it is a low ammonia, permanent or semi-permanent hair color. Paul Mitchell offers a full spectrum of inter-mixable colors, and high lift colors, and ultra toners. It also provides long-lasting natural-looking hair color with outstanding shine and condition.