Grainy Twotone Gradient Wallpapers

Grainy two-tone gradient wallpaper prompt for Gemini Nano Banana 2. Generate smooth, mood-driven phone wallpapers from just two colors, with soft film grain, calm clock-safe space and no text. 5 variables: mood, two colors, gradient shape, light placement, grain level. Perfect for wallpaper apps, Etsy digital downloads, Pinterest creators and phone customizers. Vertical 9:16, 4K. Mix variables for endless gradients.