enchanting coastal dreamscape with seashells, starfish, and whimsical clouds in soft pastel colors on a tranquil blue background

clouds tranquil blue background ethereal marine elements decor ocean coastal art pastel tones whimsical dreamy scene setting dreamscape beach theme seaside soft hues nautical aesthetics colors seashore starfish vibes calming life inspiration fantasy sea themed oceanic serene sky decorative design landscape seashells