MIDDLE KEY – When the colors are predominantly in a middle value range.
MONOCHROMATIC – A color system based on variations in a single hue. For example, a light pastel blue, a medium navy blue, and a dark blue-black.
MOVEMENT – Eye travel directed by deliberate visual pathways in a work of art. See Rhythm. Principle of Organization
MUTED COLOR – Rich but softened colors that reside on our color wheel between prismatic color and chromatic gray.