Lines and curves of blue neon on a dark backgroundLines and curves of blue neon on a dark background
On a black background, blue circles emit light in a spiralOn a black background, blue circles emit light in a spiral
Image of a national park at night, starry blue sky in californiaImage of a national park at night, starry blue sky in California
Small and large highlights of light on a blue backgroundSmall and large highlights of light on a blue background