Simultaneous contrast is not just a curious optical phenomenon โ it is the very heart of painting. Repeated experiments with adjacent colors will show that any ground subtracts its own hue from the colors which it carries and therefore influences.
Josef AlbersIf one says โRedโ (the name of a color) and there are 50 people listening, it can be expected that there will be 50 reds in their minds. And one can be sure that all these reds will be very different.
Josef Albers