Natural Black (A): A dark black hair color, perfect for girls with black hair or those who have dyed their hair black. Black Brown (B): A more natural black, brown in the sunlight, suitable for most girls' hair colors, and very natural. Dark Brown (C): The color is like a chestnut shell, a slightly darker reddish-brown. Light Brown (D): Suitable for girls, dyed with a yellowish color and linen color.