Wella Koleston Perfect Me+Special Blonde Hair Color 12/61 Violet Ash 60Ml. Colour's world is fascinating and exciting and every day there is something new to discover. Koleston Perfect allows individual and always different color solutions. Multiple shades with a possibility of unlimited use from the creative point of view. Koleston Perfect convinces with a unique tonal spectrum and ensures a bright and brilliant colour for longer. Its shades are able to satisfy the most different colour requests. Thanks to the possibility of mixing the shades together, you get a really wide variety of colours, almost unlimited, from which you can choose the right tone for you.