For a sleek and modern coffee bar, opt for clean lines and a monochromatic color scheme. Choose a glossy black or white countertop with built-in storage for a streamlined look. Display your coffee machine, grinder, and a selection of coffee accessories in an organized manner. Add some contemporary artwork or a statement wall clock. Incorporate subtle lighting with LED strips or recessed lights. The sleek and modern coffee bar will give your kitchen a sophisticated and high-end feel.