vibrant rainbow spectrum. radiant color shifts in a dynamic gradient

highdefinition kaleidoscopic caleidoscope multicolored multifaceted mesmerizing psychedelic abstraction technicolor background seamlessly flamboyant polychrome refractive featuring brilliant chromatic explosion energetic exuberant saturated vivacious spectrum gradient blending creating visually stunning backdrop cheerful colorful dazzling luminous patterns striking vibrant rainbow radiant dynamic display diverse glowing intense playful shifts radial bright flashy lively mosaic colors color burst prism hues