검은색을

In a sentence

• 나는 검은색을 좋아해요.

  I like black.

  Here, '검은색을' is used as the object of liking, applying the accusative particle '을' to indicate it as the object of the verb.

• 그녀는 검은색을 보고 있어요.

  She is looking at black.

  In this case, '검은색을' indicates what is being observed, again as an object of the action.

• 그 남자는 검은색을 입었어요.

  That man wore black.

  Here, '검은색을' functions as the object specifying the color of clothing that was worn, maintaining its role as the focus of the verb.