Abstract Gradient Background Generator

Abstract digital gradient background. Fluid, organic color transitions between {{color_1}} and {{color_2}} with hints of {{color_3}}. Style: soft, ethereal, like ink dropping in water or aurora borealis. Subtle grain texture. Smooth bokeh light spots in the brighter areas. No hard edges, no geometric shapes, no text. Mood: {{mood}} (calm, energetic, mysterious, luxurious). Resolution: 3840x2160 (4K). Suitable as a website hero background or wallpaper.