Burnt Umber

Burnt Umber is a natural pigment, opaque in it's mass state and translucent as an under-tone.

Burnt Umber is in fact a dark Yellow hue and a dark Red hue.
Mix Burnt Umber with yellow's opposite color Ultramarine Blue or Red's opposite color Cyan
to make a true dark neutral color that will tint to shades of neutral gray and black.