Regions

Often this is the desired look. The original black, grey and white areas will have very little colour in them, as they have a low saturation.

To put a wash colour into these parts of the picture, their saturation must be changed...

This method will produce a true colour tone effect where, for example, a true sepia can be achieved as colour is added where there was no colour before. Again, because these controls are variable, the picture can be mixed from normal colour to a tint over a number of frames.

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