Pronounced yu liang qie (falling tone) in the "Tang Yun" (Tang Yun), and yi liang qie (falling tone) in the "Ji Yun" (Ji Yun), with the same pronunciation as "yang" (falling tone). "Shuowen Jiezi" (Shuowen Jiezi) explains it as dark red. Also, the pronunciation in "Guang Yun" (Guang Yun) is shi yang qie (rising tone), with the same pronunciation as "shang" (rising tone). The meaning is the same.