Replacing nickel kitchen hardware with brass instantly adds warmth and sophistication to a blue kitchen. Brass has a golden hue that contrasts beautifully with cool blue cabinets, creating a cozy, inviting look. This simple swap usually costs under one hundred dollars and immediately boosts the kitchen's warmth without major renovations. Brass hardware also complements terracotta accents and wood tones, enhancing a cohesive warm color scheme throughout your kitchen.