noun
amorous glance; flirtatious look
A look that signals romantic or sexual interest. Often used in the phrase 色目を使う (to make eyes at someone).
彼女は彼に色目を使った。
She gave him an amorous glance.
この絵の具は色目がきれいだ。
This paint has a beautiful shade.
noun
ingratiating behavior; sycophancy
Used in the idiom 色目を使う (sense 2) meaning to curry favor or flatter someone for personal gain. Not used as a standalone noun for this meaning.
See also: 色目を使う
彼は上司に色目を使って昇進を狙っている。
He is trying to get a promotion by ingratiating himself with his boss.