Blonde hair adding lowlights

Hi, I'm wanting to change my colour to a more highlighted effect, I'm bleach blonde at the minute I have bleach and 6% applied to my scalp, I've added some pictures below what I'm wanting to achieve, I do like ashy Browns but as it's going over white blonde hair I don't want it to go karky, what sort of colours would you use? And how would you do it? I was thinking weave out the blonde and add conditioner in foils (as it won't need no more bleach adding to it), then apply the brown round to...

Blonde hair adding lowlights