Best natural highlight color for dark brown hair ?

Can't tell if im warm or cool but im quite white. I am a male with short hair (short on sides, longer on top and bak), which color would be best? And how much does it cost to get done very roughly, and to maintain (I live in Australia/New Zealand). I want it to look natural kinda (think its called slices).


And how long til I have to go back and re-highlight it?Best natural highlight color for dark brown hair ?
i think u should get blondish highlights

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