noun
Refers to the color of a person's face, especially as an indicator of health. Often used in phrases like 血色がいい (have a healthy complexion) or 血色が悪い (look pale).
彼女は血色が良くて、元気そうに見える。
She has a healthy complexion and looks energetic.
風邪をひいて、血色が悪くなった。
I caught a cold and my complexion became pale.
noun
blood red
Rarely used as a standalone color term; more commonly encountered in literary or descriptive contexts. Modern Japanese typically uses 血のような赤 or 血の色 for 'blood red'.
その絵には血色の空が描かれていた。
The painting depicted a blood-red sky.