serene autumn landscape with colorful trees and falling leaves

autumn landscape colorful trees falling leaves serene warm tones soft brush strokes season skyblue amber lively landscapes illustrations 32k uhd shading path style themed colors nature fall vibrant peaceful tranquil artwork digital art high resolution beautiful scenic mountain forest dominates scene time wallpapers resemble graphic novel inspired featuring blend sky-blue gold hues plein-air paintings capture essence storybook evoke sense nostalgia brushstroke fields traditional scroll painting add depth flattened