law of complementary color

例句：

1. 1.The color of the flowers is complementaryto the background.
   这些花的颜色与背景相得益彰。
2. 2. The design of thefurniture is complementary to the room's layout.
   家具的设计与房间的布局相得益彰。
3. 3. The two colors arecomplementary and can create a harmonious effect.
   这两种颜色相得益彰，可以创造出和谐的效果。