Play with strenght (0..8 is good) to obtain different results.

Good prompt :

impactful paint of ............ <lora:Rainbow_Style:0.8>, highly detailed, 8k, sharp, professional, clear, high contrast, high saturated, , vivid deep blacks, crystal clear

Neg : ugly, tiling, poorly drawn hands, poorly drawn feet, poorly drawn face, out of frame, extra limbs, disfigured, deformed, body out of frame, blurry, bad anatomy, blurred, watermark, grainy, signature, cut off, draft, multiple hands, low contrast, low resolution, out of focus

The style of this artwork is a digital abstract, characterized by its psychedelic vibrancy and dynamic fluidity. It harnesses an intense spectrum of fluorescent colors, applied in a manner that mimics the spontaneous flow of ink, creating a lively and surreal visual symphony.