Naturtint Permanent Hair Colorant 4G Golden Chestnut is the darkest of the 5 Golden shades. See chart below to compare colors. Similar options include 5G Light Golden Chestnut, 6G Dark Golden Blonde, and 6N Dark Blonde. It is not recommended choosing a tone which is more than 2 shades lighter than your current tone. Naturtint is a market-leading brand of gentle permanent hair colorants, providing optimum color and care. Naturtint hair color products are manufactured to the very highest international standards. 30 colors are available, all of which can be mixed to create an endless palette of colors and used for more than one application. All shades cover 100% of grey and can lighten hair by up to 2 shades.