Plain red curtains can bring a bold statement to the room or create cosiness, depending on the other décor. This warm colour can make a room seem smaller, so you’ll frequently find it used in large imposing rooms to create a more intimate feeling. You can use these curtains at the end of a long narrow hall, to create a balance and make the hallway feel a bit wider and not nearly as long.
Red is a stimulating colour that can increase energy and passion. It also may increase pulse rate and blood pressure as well, so be careful not to decorate an entire room in red if you have a problem already. It can stimulate your metabolism, but it also stimulates the appetite as well, which is why so many restaurants decorate in red. It is a dramatic colour and that makes it perfect for a room where you want to draw a lot of attention. The shade and undertone of red affects the mood it brings to your décor.