vibrant autumn leaves with a rich color palette, captured in detail, embodying the serene and picturesque fall season

utumn leaves vibrant fall colors foliage red green purple nature seasonal transition leaf diversity beauty natural october autumnal scenic detail environment chlorophyll carotenoids texture botanical outdoors mixed ecological forest deciduous rich hues freshness pigments earthy flora serene background variegated harvest tranquil autumn color palette captured embodying picturesque season season close-up view