Rainbow Tunnel Optical Illusion - Abstract Geometric Art #3027094 (License: Personal Use)

This abstract image features dozens of concentric, rounded-square outlines in a full spectrum of vivid colors-violet, indigo, blue, green, yellow, orange, red-layered against a deep black backdrop. The precise spacing and gradient-like repetition create a powerful sense of depth and motion, evoking a futuristic tunnel or infinite corridor. Ideal for modern UI backgrounds, psychedelic design themes, or visual perception studies.

Used as a hero image or decorative element on creative agency websites, digital art portfolios, or tech-themed landing pages; appeals to users seeking visually striking, minimalist yet dynamic graphics for inspiration or branding.