The fuzziness slider is supposed to be like the Threshold setting in the Magic Wand, but like it's counterpart, it's difficult to determine the setting that will get what you want. Instead, use the eyedroppers to add to your original selection, or delete from it. So, select one color - then drag around your additional colors using the eyedroppers (OR, use the Shift to add to selection, or Option to delete from the selection). You can even use the tools inside the Preview window. Avoid touching colors that are close to those outside what you want, or you may select way too much. Use Eyedropper to Add to Selection with Select>Color Range
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Either I misunderstood, or that's not what I'm asking.
I would like to know how to transform a "Color range" selection with contiguous pixels into a selection without contiguous pixels. This is for print on mirror, and i need net value, color pixel or not print