黄碧玉[kouhekigyoku] yellow jasper
紺碧[konpeki] deep blue
碧い[aoi] blue
丹碧[tanpeki] red and green
碧眼[hekigan] blue eyes

碧玉[hekigyoku] jasper
碧空[hekikuu] blue sky
碧山[hekizan] green mountains
碧水[hekisui] blue water