AI Scene Relighting in Premiere Pro

Change the lighting of any clip — from overcast grey to golden sunset, from daylight to moody neon — without leaving your timeline. FXbuddy sends your clip to Runway Gen-4 and returns a relit version in under 90 seconds.

Relighting in post has historically meant either practical re-shoots or an expensive round-trip through a VFX compositing suite. For most editors on tight turnarounds, neither option is realistic. AI relighting changes that equation: describe the light you want, and the model generates a new version of your clip that matches.

FXbuddy's relighting effect works best on medium shots, interview setups, and environmental footage. Wide establishing shots with complex multi-source lighting respond well to broad mood shifts. Close-up beauty shots and scenes with lots of practical lights in frame are trickier — results vary.

How it works in FXbuddy

  1. Select the clip on your timeline that you want to relight. FXbuddy reads the in/out points you've marked.
  2. Open the FXbuddy panel and type your lighting description in plain English — no node trees, no parameters.
  3. Hit generate. FXbuddy sends the clip to Runway Gen-4 Turbo, polls for completion, and drops the result straight back onto your timeline as a new layer.

Example prompts for relighting

Copy any of these into FXbuddy and adjust for your scene:

Relight this scene with a warm golden-hour sunset. Soft orange fill from camera left, long shadows.
Change the lighting to moody blue neon. Night exterior. Wet pavement reflections.
Make this look like it was shot in a candlelit room. Warm, flickering, deep shadows in the background.
Overcast flat light. Remove any directional shadows. Keep skin tones natural.
Add a hard-key backlight from above. Dark, dramatic. Interview subject lit like a thriller.

When to use scene relighting

Frequently asked questions

Can FXbuddy relight an existing clip without re-shooting?
Yes. FXbuddy sends your selected clip to Runway Gen-4's image-to-video model, which regenerates the scene with the lighting conditions you describe. The result drops back onto your timeline as a new clip, composited over or replacing your original.
What kinds of lighting changes work best?
Scene-wide mood shifts work very well — golden-hour warmth, night-time tungsten, neon city glow, overcast fill light. Fine placement of practical lights (e.g., "add a lamp on the left wall") is hit-or-miss depending on subject complexity.
Does the relighting affect skin tones accurately?
Runway Gen-4 Turbo handles skin tones reasonably well for broad lighting shifts. For clinical colour-science accuracy, FXbuddy's relighting is best treated as a creative grade assist, not a replace for a dedicated colour pipeline.
Which AI model powers the relighting effect?
FXbuddy uses Runway Gen-4 Turbo for relighting tasks. It is the fastest option in the FXbuddy model stack and handles most lighting-mood prompts well.
How long does it take to generate a relit clip?
Most relighting jobs return in 30–90 seconds depending on clip length and server load. The effect downloads directly into your Premiere Pro or After Effects project.

Other effects you might need

AI Sky Replacement
Swap the sky in any outdoor shot in seconds.
AI Background Swap
Replace the entire background without green screen.
AI Style Transfer
Apply a cinematic look or art style to any clip.

Try AI scene relighting in your next edit

FXbuddy is a free Premiere Pro and After Effects extension. Install it, describe your effect, and the shot lands on your timeline.

Get FXbuddy — It’s Free