autumn river painting: realistic colors, vibrant scenes, high detail

autumn painting river mountain realistic colors cyan amber backlight vibrant scenes exaggerated high detailed flowing brushwork landscape mountains art color schemes nature scenic artwork scenery mountainous autumnal artistic depiction scene realism colorful representation painting: detail expressive captured unique style mesmerizing blend metallic earthy blue tones creating visually stunning composition fluid brushstrokes intricate details evoke sense motion emotion showcasing beauty botanical-inspired form generated