greenish color cast from cheap theatre spotlights

wim gelders

• December 27, 2017 15:40

I have taken photos from an event that was lighted with cheap spotlights.
All pictures were taken in RAW and have a very ugly color cast which is yellow to green.
I am used to correct the color cast from artificial light in Capture One but this color cast is is almost green.
But when I try to get rid of the green by lowering the saturation of the green color it doesn't make any difference.
I have tried changing color temperature and hue, I tried the color balance tool, I tried changing the green en yellow chnnel's hue and/or saturation but I can't correct the color.

Any tips?

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  SFA

  • December 27, 2017 16:18

  Are you attempting to use only a preset colour cast adjustment?
  
  Better to use the dropper and pick something in the image that might be considered to be a mid grey colour and see what you get with that.
  
  If no grey (in "real" light) is available go for a white area instead.
  
  If all else fails you can try something that is a known black.
  
  Then adjust from there if required.
  
  Worst case is you have mixed light sources to deal with - in which case you need to find a reasonable fix for the base image and then layer adjustments based fixes for the other areas.
  
  HTH.
  
  
  Grant

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  Ian Wilson

  Moderator

  • December 27, 2017 17:08

  

  If the cast looks almost green, then you could see whether it is improved by pulling the tint slider towards the + (right) side as well as adjusting to a colour temperature for artificial light.
  
  Also you could pull the spot in the Master control in the Colour Balance tool out towards the edge of the circle in the opposite direction from the green range.
  
  Ian

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