Naturtint Permanent Hair Colorant 5G Light Golden Chestnut is the next-to-darkest tone choice in the 5 Golden shades that are available. See chart below to compare colors. Other similar options are 4G Golden Chestnut, 6N Dark Blonde, 7.7 Teide Brown, and 6.7 Dark Chocolate 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. Gentle Permanent Color.