I have found it interesting that I cannot mix paints (subtractive color) to get black. It always seems to be brown. Is it possible to find a combination of pa

I have found it interesting that I cannot mix paints (subtractive color) to get black. It always seems to be brown. Is it possible to find a combination of paints that blocks all light? BTW, this is not considering the possible "combination" of just one color black.