subway tile + open shelves (wood tones warm up grays). dark grout, gray floor tile For kitchen, lighten cabinets to match open shelves tones, add white subway tile w grey grout and keep grey paint on wall. Consider wood tile instead of hardwood floor.
Good idea for bathroom window.Window screens made from lace curtain fabric. By mounting the lace on a frame inside the room you can change the mood in your room by adding or removing the screen from your window.