Natural Match in 4.5C Soft Dark Ash Brown [DISCONTINUED]

i already had black brown hair before this, and i barely even noticed a difference in my hair colour after colouring and washing, but i think that's because it's a light colour on a dark colour. it...

I color my hair about every 6 weeks or so and have been 'playing' around with the 4's & 3's in this brand...I have tried 4W, 4R, 3W & 3C and really like them all ( I have reviews on all those...