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White Balance (It’s largely a matter of taste)

White balance refers to how your eyes identify colour in an image. What I aim to show in this tutorial is that sometimes, there is no ‘correct’ white balance, it is a matter of taste and creative vision.

I am going to try and avoid too much depth about the science of colour in this article, but I do need to explain some of the basics.

The basics

When viewing a real life scene the human visual system is very good at filtering out slight casts caused by the colouring of the light. So when we see a white wall illuminated by flourescent lights (which have a slight green tint) or tungsten incandescent light-bulbs (which are slightly orange) our brain tells us that is it white so we see it as white. Of course this is not a total effect, and is largely psychological – you see a candle-lit room and because out brain does interpret this as slightly warm because that is what our experience tells us the light looks like. Continue Reading “White Balance (It’s largely a matter of taste)”