fluid waves with soft pastel colors, showing harmony and grace in an abstract and soothing way

pastel waves fluid colorful fluidity softness dreamlike dreamy soft tranquil smooth texture art flow curves artistic tranquility mellow ethereal fade melodic serene creative soothing subtle delicate gradient sway motion calm meditative minimalism abstract background layered ambient aesthetic harmony visual graceful blissful modern design harmonious elegance contour beauty delight ai generated