sunny day river cartoon background with vibrant colors

cartoon background river sunny day blue sky pastel colors saturated color fields light brown skyblue pristine naturalism bold vibrant primary hikecore naturebased patterns psychological landscapes vector beautiful scenery nature artwork colorful landscape scenic tree flower scene style naturalistic design relaxing atmosphere serene peaceful beauty elements flat featuring trees mountains detailed painting motifs palette consists turquoise sky-blue creating harmonious pastoral charm uhd resolution showcases allover composition generated