vibrant autumn landscape painting with expansive skies - digital art

landscape painting autumn desert mountains sky digital cartoony light yellow cyan expansive skies graphic novelinspired uhd heistcore vibrant art nature scenery fall colorful artwork cartoon style high definition dramatic beautiful serene modern unique creative impressionistic fantasy novel-inspired patrick brown featuring mountain streams valleys river painted combination sky-blue amber hues rendered resolution showcasing intricate details soft muted palette ethereal cloudscapes add touch whimsy scene reminiscent works