Black as color of magic
I am trying to create "black magic" with a visual black effect with lore backing (it is for PC game). How can I create this effect, either optically or neurologically? I am not talking about hue or light-absorbing material. Rather I am talking about a type of light we could perceive as black because our eyes and brain do not understand it. I would like to have something more "energy based", like other colors are with their wave length, instead of "we cannot understand therefore black - rule of cool victorious."