green abstract ocean blue background with soft tonal colors and free-flowing lines

green abstract ocean blue background subtle gradients realistic landscapes soft tonal colors rounded shapes uhd dark teal light red skeuomorphic nature water sea waves gradient texture artistic design digital modern contemporary minimalist calming relaxing serene tranquil peaceful meditative aesthetic wallpaper free-flowing lines features smooth curved lines style perfect android ios phone tablet clean streamlined fine detailed academia back button focus adds depth making choice sophisticated elegant look