Blue grass silhouette against black sky background. Black and blue abstract background. Abstract nature. Grass illustration. Abstract pattern. Abstract illustration. Black and blue background. Black and blue backdrop. Abstract patterns. Abstract backdrop. Fine art. Abstract art. Black and blue patterns. Blue grass isolated on black background. Glittering blue. Glittering background. Sparkling background. Dark backgrounds. Night sky background. Night backgrounds. Reed silhouette. Reeds illustration.