Eazicolor 4-35 Medium Chestnut Brown Hair Color 60mlEazicolor 4 35 Medium Chestnut Brown Hair Color (60ml) Eazicolor 4 35 Medium Chestnut Brown is a permanent hair color delivering a rich chestnut brown at shade level 4. The . 35 reflect is a dual tone: . 3 = golden warmth and . 5 = mahogany depth combined, they create a complex, multi dimensional chestnut brown that is warmer and more nuanced than pure golden (. 3) or pure mahogany (. 5) shades. This is the defining characteristic of the chestnut