Hypnotic Rainbow Square エスプレッソカップ

Retro Geometric Color Block Art Bold concentric rainbow squares fill the space with stacked bands of red, orange, yellow, green, blue and purple on crisp white, creating a clean geometric focal point that feels retro, modern and slightly hypnotic, radiating happy color therapy vibes that lift the mood and instantly draw the eye for anyone who loves simple abstract design and vibrant minimalist art.