Wella Koleston Perfect 7/71 2023 baks Koleston Perfect April 30, 2022 Wella Koleston Perfect 7/71 : blonde brown-ash A different hair dye. Golden yellow and ash brown hair dye. Not much preferred hair dye. It can look beautiful because it is different. But I think the middle aged lady worthy of this hair dye. 7.71 Koleston Perfect