Precision Foam Colour 4N Dark Natural Brown

I bought 2 packs of the John Frieda Precision Foam color, one in Dark Natural Brown, and the other in Chocolate Brown (it was on sale--otherwise at $13, this is pricey for drug store hair color). ...

I really liked this color. I had been using Revlon's #30 which left black in my hair so I went to the expense of buying bleaching powder and 20 developer to take it out and I started over with this...