Hurlbert A
Department of Physiology, Medical School, Newcastle-upon-Tyne, UK.
Curr Biol. 1996 Nov 1;6(11):1381-4. doi: 10.1016/s0960-9822(96)00736-1.
Our perception of a surface's colour depends in a complex way on the colours of surrounding surfaces; this "colour contrast' is linked to the "colour constancy' which is important for object recognition, but in ways more complex than we yet understand.