White stuff

There's one conceptual problem that Paulius told me the other day: imagine that you have a white sheet of paper and a black pencil. How would you draw an object that emits light?

It's puzzling at first, but surely it can be done :)

I'm facing with the same problem in our next demo: we have a white character in a white, brightly lit room. Even more, there will be some light emitting "stuff" in there. Now, how to render all this so that it's not "washed out", too bright and with no contrast?

I'm not happy with the way it looks right now, but we're heading there.

Glow/HDR helps a lot to show really bright areas. However, when everything is pretty bright, adding glow to already white stuff doesn't help a lot and isn't very much visible either :)

The real problem is the absence of contrast, making stuff even more bright by adding glow won't help much, IMHO.
The question is, if in nature you can see light emmiting something in white background? I think you should draw the background in some greyish colour. Or maybe make a little bit of noise, which is not seen on the glowing thingies?
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