Often, when you are compositing images the colours of the two (or more) source images may not match. Perhaps you have a model taken under studio lights that you want to layer onto a background with a different colour balance. There are several ways to achieve a better colour matching. Here is one, presented to WCC by Sharon Prenton Jones (https://www.prentonjonesphotography.co.uk/) who kindly sent us a movie explaining her technique.
Just click on the image below to play the video: