soft waves of pastel colors blend seamlessly, creating serene and calming abstract background. gentle flow of blue, pink, and

abstract background pastel colors waves blue pink peach smooth serene calming flow texture gradient artistic design soft light fluid modern wallpaper digital creative vibrant elegant beauty art pattern colorful dreamy peaceful stylish contemporary fluidity harmony visual aesthetic motion bright subtle composition smoothness gentle relaxing ethereal tones lightness airy blend seamlessly creating background hues evokes sense tranquility