In this two-tone kitchen, a coastal beach house theme is achieved through a soothing color palette of gray and seafoam green. The upper cabinets are painted in a soft gray, creating a calming backdrop. The lower cabinets and kitchen island are painted in a refreshing seafoam green, reminiscent of the color of sea glass. The backsplash features a mosaic of gray and green tiles, adding visual interest. The countertops are made of light gray quartz, complementing the overall color scheme. This kitchen evokes a sense of tranquility and is perfect for those who want to create a serene coastal retreat in their home.