Maroon is a dark red tone that is very useful in combination with all other reds to give you amazing results when healed in the skin. It works great with blacks for deep tones and bridging to reds. This is a must have color to use in roses!!!Maroon is a dark red tone that is very useful in combination with all other reds to give you amazing results when healed in the skin. It works great with blacks for deep tones and bridging to reds. This is a must have color to use in roses!!!