[jfoutz]

It's non obvious. I really enjoyed this a few years ago [1]. I'd suggest looking up color correction in movies. There are more blogs about that, and due to the nature of the media they focus on the really effective stuff first. If there are cars, make the brake lights red, and all the same red. Make taxis that iconic yellow, even if they aren't that specific yellow in the shot.

Heavy handed, but if you're doing advertising where the best you can get is a fraction of a second, those heavy techniques will serve you well.

[1] http://theabyssgazes.blogspot.com/2010/03/teal-and-orange-ho...