Goldwell dark brown level 4 Topchic permanent hair color 2 oz tubes 4B Warm Brown x 2 (Havana brown) 4G Warm Brown x 2 ( chestnut) 4N Natural Brown x 1 (mid brown) x1 superior grey coverage 4NA Natural Nrown x 1 (mid- natural ash brown grey coverage Only 2% ammonia. Mix 1:1 with crème developer