After Effects 2026 Sky Replacement (Perfect Compositing)

After Effects 2026 Sky Replacement (Perfect Compositing)

Lines To Designs 50.2K subscribers
4.4K views · 2026-09-01 Motion Design
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🎬 1-on-1 Coaching With ME 👉 https://linestodesigns.com/dan-has-notes In this After Effects sky replacement tutorial, the composite isn’t finished when you swap the sky. The lighting has to match too. I’ll show you my complete workflow for creating a convincing sky replacement — from keying using Corridor Key, isolating the subject and rebuilding the background to matching the new sky’s direction, color, contrast, and light so the final composite actually feels like one shot.

CorridorKey by blace.ai
https://tinyurl.com/Corridor-Lines

We’ll break down how to:

* Rotoscope and isolate your subject
* Separate foreground elements for a believable composite
* Replace the original sky
* Match the new sky to the existing scene
* Adjust the subject lighting to fit the new environment
* Add directional light and warm sunset influence
* Match color, contrast, and atmospheric depth
* Add finishing touches that help sell the composite
* Avoid the mistake that makes most sky replacements immediately
look fake

The biggest difference between an obvious sky replacement and a believable one usually isn’t the sky itself — it’s everything the new sky should be affecting.

If you’re learning After Effects compositing, VFX, rotoscoping, color matching, or environment replacement, this workflow is a great one to keep in your toolbox.

Let me know what VFX workflow you want me to break down next.
#AfterEffects #VFX #SkyReplacement

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⌚️Timestamps:
00:00 Why Sky Replacements Look Fake
00:44 Starting the Composite in After Effects
01:04 Rotoscoping the Subject
02:30 Isolating the Foreground
03:40 Adding the New Sky
04:25 Making the Sky Match the Shot
05:00 Building the New Lighting
06:35 Relighting the Subject
07:35 Final Color & VFX Polish
08:24 Final Before & After