How to Create a Glowing Backlight Effect
A convincing glowing backlight comes down to three things: light position, a dark-enough background, and a way to keep the face lit without killing the glow.
Position the light directly behind the subject
The light source — sun, lamp, or flash — should sit roughly behind the subject's head or shoulders, slightly off-center, so it grazes the hair and edges rather than shining straight into the lens.
Darken the background
The glow reads much stronger against a darker backdrop — shooting in a dim room, at dusk, or at night makes the rim light pop far more than the same setup in bright daylight.
Add a soft front fill
A weaker light source facing the subject — a phone screen, a window, a soft flash — keeps the face visible and detailed without overpowering the backlight glow.
Can this look be recreated after a photo is already taken?
Yes — AI relighting tools can rebuild a convincing backlight glow and front fill on a photo that wasn't originally lit this way, which is a common shortcut for getting the look without the actual lighting setup.