The eye also does a lot of work here, see color constancy[1]. BBC had a nice documentary on this back in the days, Colorful Notions[2], see the 19min mark for a

The eye also does a lot of work here, see color constancy[1]. BBC had a nice documentary on this back in the days, Colorful Notions[2], see the 19min mark for an experiment showing this in action. [1]: https://en.wikipedia.org/wiki/Color_constancy https://en.wikipedia.org/wiki/Color_constancy [2]: https://vimeo.com/11932120 https://vimeo.com/11932120 (sadly poor quality, better rips can be found)