9. Repaint the walls of your office in green
Green means creativity, according to Sally Augustin, PhD from Design with Science. It is a known fact that the shades sage and even sea-foam green can pump up your creative thinking. And it is a very calming color as well. Looking at it, you will feel serene and quiet even if your mind is going through the work cycle.
If you can paint your space, then, you can use green wallpaper of any green backdrop. At all costs, refrain from using red inside your office. It denotes negative analysis.