ethereal cosmic galaxy: abstract blue and gold light bokeh for creative digital generative ai

ethereal cosmic galaxy abstract bokeh light blue gold stars space dreamy universe celestial nebula glow sparkle background design creative digital mystical night sky twinkle luminescence shimmer decoration fantasy scifi exploration imaginative beauty wonder infinite cosmos tranquil surreal illuminating atmospheric pattern futuristic concept art generative galaxy: depiction effect tones interspersed golden highlights ideal use designs backgrounds space-themed projects