One idea is that you can leave as is, moreover the discolorations are very fashionable and are not those few who do willingly. This solution, however, can be considered a bit extreme and can not be adopted by all. We recommend the following solutions…
1. A simple solution is to frequently wash your hair and dry your hair giving volume to the roots using the drier or an appropriate styling product. This will pull the attention from the root and will send the volume.
2. You can change your hairstyle, so as to hide the radical, changing for example the side of your parting. In this way the parting will have more volume than the conventional wing, which tends to lose. so, your roots will not be as noticeable.
3. On the other hand, you simply use a special mascara temporary hair dye, which goes with the shampooing and spend the root to cover. Available in all hardware stores in different shades.
4. Another great solution is to add some lighter hues when color your hair, which would then work will not seem so radical and so you get a mini extension of one week to the next painting.