minimalist background, pastel sea pebbles in balanced harmony, relaxation, zen, and tranquility

minimalist zen pastel harmony tranquil scene balanced pebbles relaxation concept calm atmosphere serene balance aesthetics peaceful setting meditative vibes colors sea stones zen relaxing textures harmony simplicity decor ambiance palette lifestyle serenity relaxation mindful composition calmness space wellness retreat quiet contemplation soothing design living stress relief meditation hues environment restful tones gentle tranquility simple serenity subtle haven soft color generated