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.
This is more like me-vintage solutions, not plastic It has it's place but too much plastic is an eyesore-not constructive for creativity. Studio Space (Before) - Art Supplies - Creative Space - Organized