optical tone
“The impressionist Claude Monet often painted the same motif under several natural conditions, and fixed the dynamic effect of light on the renowned 33 canvasses of ‘Cathedrale de Rouen’. The artist explored in essence how human being perceives change of natural scene in time and its color dynamism beyond simple problems of expression.”
“Following the impressionists’ approach, Tsutomu Mutoh has started an experiment on interaction of color with recent LED technology to control dynamic light from the view point of color composition method.”
via mutoh.imrf.or.jp