ㄓㄜˋzhèㄏㄨㄤˊhuáng

  1. 黃色以後比喻帝王服色·陸游中原日月幽州柘黃。」·葉憲祖易水寒·》:午門北望柘黃。」

yellow dye made from the bark of the 柘[zhe4] tree