Garnier Olia 4.0 Dark Brown, oil-powered, 1 count (Pack of 1), Clear

The first number of a Hair Colour is how Light or Dark the black hair dye will be, for example black shades range from 1, Deep Black to 3, Soft Black. The second number is the reflect which can be Natural (.0), Warm (.3. 4. 5. 6) or Cool (.1. 2).