Base Haircolor: (I'm either 5 or 6) Wella 6NN seems to be an exact match to my base, where as 6NW seems to be to dark, almost a dark blackish brown. (20 developer lifts 2 levels, lifting from a 5 to 7 or 6 to 8 color level, where as 40 developer lifts 3 levels, lifting from a 5 to 8 or 6 to 9 color level) However this is not light enough to be a 9 or 10, therefore it will have brassy undertones, toner can lift and remove. A semi or demi permanent color must be used to stain hair.
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