abstract painting with neon yellow, pink, and real for a cosmic feel for backgrounds.

halloween creepy abstract achieves acrylic alien art artistic backdrop background backgrounds bending blend blending bright bubbles cells colorful colors contrasting cosmic cosmos cotrast creative curving dark dream dreamlike fantastical fantasy feel grunge like magical multicolored neon otherworldly painting pink pour psychedelic purple retro scape seamless section small space surreal swirling tranquility tunnel universe unusual very vibrant vivid wallpaper well which yellow