The kanji 色 primarily signifies "color" or "hue." It represents the visual sensation produced by light of different wavelengths. It can also extend to describe appearances, expressions, or the general quality of something.

・On-yomi (音読み): シキ (shiki), ショク (shoku) ・Kun-yomi (訓読み): いろ (iro)

⚫︎ 赤色 Translation: Red color ⚫︎ 顔色 Translation: Facial expression/complexion ⚫︎ 色々 Translation: Various; different colors; all sorts