Arum Ambilight
Your LED Strip, Matched to Your Screen
Software that makes your LED strip change color to match what's on your screen in real-time — movies, games, music, all with the perfect ambiance. Works with WLED (WiFi) and USB.
Free · 29 MB · v1.0 · Windows 10 / 11
Get Started in 3 Steps
Download → open the app → your lights follow your screen instantly
Download & Extract
Download the .zip and extract it — you'll get an Arum Ambilight folder
Run Arum Ambilight.exe
Double-click to launch. The first launch may take a moment to prepare
Pick Your Lights → START
Choose WLED (WiFi) or USB, then hit START — your lights follow the screen right away
If Windows shows “Windows protected your PC”
This is normal for a new app not yet registered with Microsoft — the file is safe. Click “More info” then “Run anyway” to launch it.
What It Does
Screen Sync
Captures your screen colors in real-time and updates the lights instantly
Multi-zone Ambilight
Trails colors around the screen edges like true ambilight, or averages to a single color
WLED + USB
Connect WLED lights over WiFi, or USB (Adalight) lights over a cable
Private & Safe
Runs entirely on your machine — no data ever leaves your computer
Great For
Movies
Edge lighting shifts with each scene — real eye-strain relief
Gaming
Ambient lighting that follows in-game colors for deeper immersion
Design Work
Room light adapts to the color palette you're working on
Streaming Setup
Beautiful backlight, perfect for YouTube / Podcasts
Arum Sync — LED Strip That Plugs Straight Into USB-C
We're building a new LED strip with a built-in microcontroller — plug it into your computer's USB-C port and use it with Arum Ambilight right away, no setup or extra hardware. Sign up and we'll let you know the moment it's ready.
No spam — just one heads-up when it's ready