Zi Collection, Upper Volume, Page 13, Entry 04 Radical: Mouth (kǒu) Pronounced huān (falling tone) "Book of Rhymes (Jiyun)" states that this character is pronounced "hu han qie," with the same sound as "huan." "Yuepian" explains it as the color of wine. "Book of Rhymes (Jiyun)" further explains it as the color of a flushed cheek.