Black background for phone — glowing neon triangle

A vibrant neon triangle glows with a pink and blue gradient against a solid black background. This minimalist black background for phone is exceptionally suited for your device because the black pixels switch off on AMOLED and OLED panels to save battery. Designed with a vertical 9:16 aspect ratio, it fits modern mobile screens perfectly without any cropping. Get this sleek geometric design today as a free download.