1, pink: collocation will add foreign flavor and beauty to the overall feeling. The gray curtains contrast with the four-piece suit on the pink bed, making the room more vivid.

2, purplish red: this combination will add a high-end atmosphere to the overall feeling. The gray curtains contrast with the four-piece suit on the purple bed, creating a sense of luxury.

3, gray: this collocation will add harmony to the overall feeling. The combination of gray curtains and four-piece suits on gray beds presents a simple and comfortable atmosphere.