Found this, I’d have to have a think but don’t wait up for it. https://www.dpreview.com/forums/post/26485128
> Relative - Changes the existing amount of cyan, magenta, yellow, or black by > its percentage of the total. For example, if you start with a pixel that is > 50% magenta and add 10%, 5% is added to the magenta (10% of 50% = 5%) for a > total of 55% magenta. (This option cannot adjust pure specular white, which > contains no color components.) > Absolute - Adjusts the color in absolute values. For example, if you start > with a pixel that is 50% magenta and add 10%, the magenta ink is set to a > total of 60%. > > Note: The adjustment is based on how close a color is to one of the options > in the Colors menu. For example, 50% magenta is midway between white and pure > magenta and receives a proportionate mix of corrections defined for the two > colors. > Howard Jones Visual Effects Supervisor m: 07973 265624 | e: how...@axis-vfx.com | w: www.axis-vfx.com > On 30 Mar 2017, at 16:54, motion artist <motionarti...@gmail.com> wrote: > > Hello again > > So the Secondary Colour works a treat, but I was wondering how to implement > the Relative vs Absolute option that the PS selective colour has in Nuke. It > doesn't seem like anyone from the photoshop community knows exactly how this > works. Has anybody tried reverse engineering that? > > Appreciate all the help > > All the best > > Stepan > _______________________________________________ > Nuke-users mailing list > Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users -- *A X I S V F X* The Bottle Yard Studios Whitchurch Lane Bristol BS14 0BH axis-vfx.com
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