Anthony Farr wrote:
If you put a white diffuser in front of the lens, or better yet get a
diffuser/lens cap like video cameras used to have, you could point the
camera at the light source and perform a custom white balance.

I think that's the key: custom white balance, in situ. I can probably get a chance to perform a custom WB while the floods are set to bright white (all LEDs on) before the bands start, and leave the camera set that way. Maybe I can record those WB settings for re-use at the same venue? I'll have to experiment.

And I agree in general with you Cotty and Derby: mood of the lights is important -- just not always. I think you are thinking about a show, eg a play or a carefully scripted music performance, where the lights aren't just being played with randomly. But I'm most often shooting amateur setups like at an open-mic where the performers just get up cold and the lighting guys are students. Basically, chaos ensues. :-) So "mood" doesn't really apply there, and I just try to get the best looking shots of the performers I can.

And yes, I always shoot raw and make adjustments during PP.

BTW, I Googled a bunch this morning and found that LED lights appear to be able to produce light at just about any colour temp imaginable, so there's no single answer to the physics aspect of my question. Therefore, custom white balance and raw appears to be the best bet.

Thanks guys!

-bmw

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