abstract glowing s with vibrant colors on a dark background. digital art showcasing three luminous forms in red, blue, and

abstract glow shape vibrant color dark background art showcase three visual shade artistic aura paint radiance beam modern radiant mixture spectrum vision luminous shine geometry graphic ethereal emerge backdrop mystery texture purple chromatic gradient shimmer design fantasy dynamic elegant aesthetic concept contrast display artwork curve spectral effect creation show expression glowing shapes colors digital showcasing forms red blue hues generative