To complete your retro kitchen decor, don't forget to adorn your walls with retro-inspired art and decor. Hang vintage posters, advertisements, or artwork that reflects the mid-century era. You can also display a collection of vintage kitchen utensils, antique plates, or retro signage. These wall decor items can add a personal touch and create a nostalgic atmosphere in your kitchen. Mix and match different elements to create a gallery wall or focal point that showcases your love for all things retro. So, let your walls tell a story with retro kitchen wall decor that adds character and charm to your space.