Sigmund Kyrre Aas wrote:
... 
> inMax         outMax    change
> <.9,.95,.8>   <1,1,1>   <1.11, 1.05, 1.13>

Guess I made a mistake here. Photoshop finds the max in each channel:

inMax.r   outMax    change
.7        1         1.43

inMax.g   outMax    change
.9   	  1         1.11

inMax.b   outMax    change
.8        1         1.25

The three max values doesn't have to be in the same pixel, but you will still
get an uneven scaling of the channels. A pixel with the colours <.7,.9,.8> will
become white instead of having a greenish tint.
In this instance I'd suggest a scaling of 1.11 for all the channels.

sig

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