> I confess I don't understand colour, but is my understanding even poorer
> than I thought? Or is this an area in which GIMP needs a bit of work?
I don't think HSV and HSL are the same colourspace:
> Frequently, I
> take multiple pictures of the same object, under the same lighting,
> differing sometimes only in the distance of the object from the light.
> The resultant colours in the photographs are frequently significantly
> different and I use GIMP to try to make them match. This is remarkably
> difficult to do and if I ever get the time I may undertake to write
> something for GIMP to make this easier.)
You can try my histogram match script:
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