expression, godan verb (-ku)
go pale; lose color; turn white
Describes a sudden loss of color from the face, often from shock, fear, or illness. The expression literally means 'the blood's energy pulls away'.
その知らせを聞いて、彼は血の気が引いた。
When he heard the news, he went pale.
事
Seeing the accident scene, I felt the color drain from my face.