暗褐色[ankasshoku] dark brown
黄褐色[oukasshoku] yellowish-brown
褐色[kasshoku] dark brown
褐藻[kassou] brown algae
褐炭[kattan] brown coal

褐毛和種[akagewashu] type of Japanese cow
黒褐色[kokkasshoku] blackish brown
赤褐色[sekkasshoku] reddish brown
茶褐色[chakasshoku] dark reddish-brown
濃褐色[noukasshoku] dark brown