Transform your small kitchen into a vibrant and cheerful space with a colorful backsplash featuring yellow subway tiles. The bright hue will instantly add a pop of color and create a lively atmosphere. Yellow is known to evoke feelings of happiness and energy, making it the perfect choice for a small kitchen that needs a boost. Pair the yellow subway tiles with white cabinets and countertops to create a clean and modern look. Add some green plants and accessories to complement the yellow and create a fresh and inviting space.