vibrant rainbow spectrum. color transition and gradation concept

highdefinition kaleidoscopic polychromatic multicolored multifaceted transitions eyecatching mesmerizing technicolor transition background gradation featuring beautiful represent contrasts brilliant chromatic explosion explosive panoramic prismatic saturated spectrum stunning creating gradient colorful patterns dazzling hypnotic luminous showcase vibrant rainbow concept diverse variety display dynamic intense opulent radiant effect colors bright color vivid burst range rich full bold hues wide one hue