Eazicolor 4-0 Medium Brown Permanent Hair Color 60mlEazicolor Shade 4 0 Medium Brown Permanent Hair Color 60ml Eazicolor Shade 4 0 Medium Brown is the classic mid point brown level 4 on the professional color scale, sitting perfectly between the deep intensity of dark brown and the softer warmth of light brown. Shade 4 0 is the most universally versatile brown in the Eazicolor natural range: balanced enough to suit a wide range of skin tones, natural enough to look effortlessly polished, and neutral