For a unique and edgy retro kitchen, consider an industrial theme. This kitchen features exposed brick walls, concrete countertops, and metal accents. The cabinets are typically made of reclaimed wood or metal, adding a rustic touch. The appliances are sleek and minimalistic, with stainless steel finishes. The color palette of this kitchen is typically neutral, with shades of gray, black, and brown. To complete the industrial look, add some vintage-inspired lighting fixtures and industrial-style bar stools. This kitchen is perfect for those who want to create a modern and urban retro vibe in their home.