mesmerizing abstract background in shades of teal with a grainy texture and soft bokeh lights, evoking a tranquil and mysterious

background abstract grainy wallpaper blur banner backdrop template teal green gradient bokeh cosmic digital art texture highresolution creative design soft focus artistic smooth blend modern minimalistic sleek contemporary night sky visual fluid stylish professional deep hues seamless moody atmospheric calming glowing mysterious ethereal mesmerizing shades lights evoking tranquil atmosphere ideal projects