Vivid Sky Blue — Vivid Sky Blue belongs to the Cyan family. This is a very bright, highly saturated aqua or sky blue, similar to the color of a vibrant swimming pool or a tropical ocean. It is in the Cyan family because its hex code has no red, but high values of both green and blue. Its nearest neighbors are Pure Cyan (#00FFFF), Deep Sky Blue (#00BFFF), and Dark Turquoise (#00CED1).