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

隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
燕青拳[enseiken] Yangqingquan
青竜蝦[shako] mantis shrimp (any marine crustacean of order Stomatopoda, esp. the species Oratosquilla oratoria)
灰青色[haiseishoku] grayish blue
紺青[konjou] navy blue

青眼[seigan] aiming at the eye (with a sword)
青い[aoi] blue
青い鳥[aoitori] bluebird (Sialia spp.)
青褪める[aozameru] to become pale