rainbow pastel color background blends a spectrum of delicate hues, creating a soothing and visually pleasing ambiance

generative pure bright peaceful sunlight color pastel white soft calm blue light background peace fresh wallpaper design pattern texture art gradient space colorful yellow backdrop rainbow blur colors green spectrum blurred vector pink glow smooth shine shiny template harmonious tones joyful atmosphere purple colour paint backgrounds geometric blends delicate hues creating soothing visually pleasing ambiance generative