Charming Nail Polish Colour: Clavo Offer an Amazing colour range in nail polishes. From soothing to funky colours, it has everything to offer. One colour that is a very unnatural and contemporary colour that will make your nails look great is Mahogany. Mahogany nail polish belongs to the brown and red colour family. It is bold in nature and helps you to give a royal look to your nails. You will admire the smoothness of this nail polish.