Naturtint Permanent Hair Color 5G Light Golden Chestnut is one of the 5 Golden shades. Find the right hue for you with Naturtint color chart! Similar options include 4G Golden Chestnut and 6G Dark Golden Blonde. You can go as dark as you like in one treatment, but with Naturtint, you can only lighten by one or two shades; more than that can often create unwanted brassy tones.