Complete color manipulation and green screen effects system. PROACTIVELY activate for: (1) Green screen/chromakey removal, (2) Color grading with LUTs, (3) Color correction (levels, curves, white balance), (4) Colorkey/color removal effects, (5) Hue/saturation manipulation, (6) Color space conversions (BT.709, BT.2020, HDR), (7) Color isolation effects, (8) Teal and orange look, (9) Vintage/film looks, (10) Color keying for transparency. Provides: chromakey and colorkey filters, LUT application (lut3d), curves and levels adjustment, color balance, selective color manipulation, color space handling, HDR tone mapping, professional color grading chains.
Performs green screen removal, LUT color grading, and advanced color manipulation with FFmpeg filters.
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| Task | Command |
|---|---|
| Green screen removal | -vf "chromakey=0x00FF00:0.3:0.1" |
| Blue screen removal | -vf "chromakey=0x0000FF:0.3:0.1" |
| Apply LUT | -vf "lut3d=cinematic.cube" |
| Color curves | -vf "curves=preset=vintage" |
| Adjust saturation | -vf "eq=saturation=1.5" |
| Hue shift | -vf "hue=h=30" |
| White balance | -vf "colortemperature=6500" |
Use for color manipulation operations:
Complete guide to color manipulation, green screen removal, LUT grading, and advanced color effects with FFmpeg.
# Remove green screen (standard green 0x00FF00)
ffmpeg -i foreground.mp4 -i background.mp4 \
-filter_complex "[0:v]chromakey=0x00FF00:0.3:0.1[fg];[1:v][fg]overlay" \
-c:v libx264 -crf 18 output.mp4
# Parameters:
# - color: The key color (hex 0xRRGGBB)
# - similarity: How close to key color (0.0-1.0, lower = more precise)
# - blend: Edge softness (0.0-1.0, higher = softer edges)
# Tight key (clean edges, may leave green fringe)
ffmpeg -i green_screen.mp4 -i background.jpg \
-filter_complex "[0:v]chromakey=0x00FF00:0.1:0.0[fg];[1:v][fg]overlay" \
output.mp4
# Loose key (removes all green, may eat into subject)
ffmpeg -i green_screen.mp4 -i background.jpg \
-filter_complex "[0:v]chromakey=0x00FF00:0.5:0.2[fg];[1:v][fg]overlay" \
output.mp4
# Balanced (recommended starting point)
ffmpeg -i green_screen.mp4 -i background.jpg \
-filter_complex "[0:v]chromakey=0x00FF00:0.3:0.1[fg];[1:v][fg]overlay" \
output.mp4
# Remove blue screen
ffmpeg -i blue_screen.mp4 -i background.mp4 \
-filter_complex "[0:v]chromakey=0x0000FF:0.3:0.1[fg];[1:v][fg]overlay" \
output.mp4
# Chroma blue (common broadcast blue)
ffmpeg -i footage.mp4 -i background.mp4 \
-filter_complex "[0:v]chromakey=0x0047AB:0.3:0.15[fg];[1:v][fg]overlay" \
output.mp4
| Name | Hex | Use Case |
|---|---|---|
| Pure Green | 0x00FF00 | Digital green screens |
| Chroma Green | 0x00B140 | Professional film/TV |
| Light Green | 0x90EE90 | Lighter backgrounds |
| Pure Blue | 0x0000FF | Digital blue screens |
| Chroma Blue | 0x0047AB | Professional broadcast |
Green spill removal (green reflection on subject):
# Remove green screen with despill
ffmpeg -i green_screen.mp4 -i background.mp4 \
-filter_complex "\
[0:v]chromakey=0x00FF00:0.3:0.1,\
colorbalance=gs=-0.1:gm=-0.1:gh=-0.1[fg];\
[1:v][fg]overlay" \
output.mp4
# More aggressive despill using hue filter
ffmpeg -i green_screen.mp4 -i background.mp4 \
-filter_complex "\
[0:v]chromakey=0x00FF00:0.3:0.1,\
hue=s=0.9[fg];\
[1:v][fg]overlay" \
output.mp4
Colorkey creates actual transparency (alpha channel) instead of compositing:
# Create transparent video (WebM with alpha)
ffmpeg -i green_screen.mp4 \
-vf "colorkey=0x00FF00:0.3:0.1" \
-c:v libvpx-vp9 -pix_fmt yuva420p \
output_transparent.webm
# Create transparent PNG sequence
ffmpeg -i green_screen.mp4 \
-vf "colorkey=0x00FF00:0.3:0.1" \
frame_%04d.png
| Feature | colorkey | chromakey |
|---|---|---|
| Output | Alpha channel | Composited |
| Format | Requires alpha support | Any format |
| Use | Create masks | Direct compositing |
| Formats | WebM, PNG, ProRes 4444 | MP4, MKV, etc. |
# Apply .cube LUT file
ffmpeg -i input.mp4 \
-vf "lut3d=cinematic.cube" \
-c:v libx264 -crf 18 output.mp4
# Apply .3dl LUT
ffmpeg -i input.mp4 \
-vf "lut3d=film_look.3dl" \
output.mp4
# Specify interpolation method
ffmpeg -i input.mp4 \
-vf "lut3d=lut.cube:interp=trilinear" \
output.mp4
| Method | Quality | Speed |
|---|---|---|
| nearest | Lowest | Fastest |
| trilinear | Good | Fast |
| tetrahedral | Best | Slower |
# High quality LUT application
ffmpeg -i input.mp4 \
-vf "lut3d=film.cube:interp=tetrahedral" \
-c:v libx264 -crf 18 output.mp4
# 50% LUT strength
ffmpeg -i input.mp4 \
-filter_complex "\
[0:v]split[a][b];\
[a]lut3d=cinematic.cube[graded];\
[b][graded]blend=all_expr='A*0.5+B*0.5'" \
output.mp4
# Variable LUT intensity using colorbalance
ffmpeg -i input.mp4 \
-vf "lut3d=lut.cube,colorbalance=rs=0:gs=0:bs=0" \
output.mp4
Create common looks without external LUTs:
# Teal and Orange (blockbuster look)
ffmpeg -i input.mp4 \
-vf "colorbalance=rs=0.1:gs=-0.1:bs=-0.2:rm=0.05:gm=-0.05:bm=-0.1:rh=0.1:gh=-0.05:bh=-0.15" \
output.mp4
# Vintage/Retro
ffmpeg -i input.mp4 \
-vf "curves=preset=vintage,eq=saturation=0.8:contrast=1.1" \
output.mp4
# High Contrast Cinematic
ffmpeg -i input.mp4 \
-vf "eq=contrast=1.2:brightness=-0.05:saturation=1.1,unsharp=5:5:0.8" \
output.mp4
# Desaturated/Bleach Bypass
ffmpeg -i input.mp4 \
-vf "eq=saturation=0.5:contrast=1.3:brightness=-0.02" \
output.mp4
# Warm/Golden Hour
ffmpeg -i input.mp4 \
-vf "colortemperature=5000,eq=saturation=1.2:brightness=0.05" \
output.mp4
# Cool/Moonlight
ffmpeg -i input.mp4 \
-vf "colortemperature=8000,eq=saturation=0.9:brightness=-0.05" \
output.mp4
# Vintage look
ffmpeg -i input.mp4 -vf "curves=preset=vintage" output.mp4
# Cross process (film developing effect)
ffmpeg -i input.mp4 -vf "curves=preset=cross_process" output.mp4
# Negative image
ffmpeg -i input.mp4 -vf "curves=preset=negative" output.mp4
# Increase contrast
ffmpeg -i input.mp4 -vf "curves=preset=strong_contrast" output.mp4
# Lighter
ffmpeg -i input.mp4 -vf "curves=preset=lighter" output.mp4
# Darker
ffmpeg -i input.mp4 -vf "curves=preset=darker" output.mp4
# Linear contrast
ffmpeg -i input.mp4 -vf "curves=preset=linear_contrast" output.mp4
# Medium contrast
ffmpeg -i input.mp4 -vf "curves=preset=medium_contrast" output.mp4
# S-curve for contrast (RGB)
ffmpeg -i input.mp4 \
-vf "curves=all='0/0 0.25/0.20 0.5/0.5 0.75/0.80 1/1'" \
output.mp4
# Lift shadows, lower highlights
ffmpeg -i input.mp4 \
-vf "curves=all='0/0.05 0.5/0.5 1/0.95'" \
output.mp4
# Per-channel curves (R, G, B)
ffmpeg -i input.mp4 \
-vf "curves=r='0/0 0.5/0.6 1/1':g='0/0 0.5/0.5 1/1':b='0/0 0.5/0.4 1/1'" \
output.mp4
# Crushed blacks (film look)
ffmpeg -i input.mp4 \
-vf "curves=all='0/0.03 0.15/0.15 0.5/0.5 0.85/0.85 1/1'" \
output.mp4
# Warm highlights, cool shadows
ffmpeg -i input.mp4 \
-vf "colorbalance=rs=-0.1:gs=-0.05:bs=0.1:rh=0.1:gh=0.05:bh=-0.1" \
output.mp4
# Parameters:
# rs/gs/bs = red/green/blue shadows (-1 to 1)
# rm/gm/bm = red/green/blue midtones (-1 to 1)
# rh/gh/bh = red/green/blue highlights (-1 to 1)
# Orange and Teal (cinematic)
ffmpeg -i input.mp4 \
-vf "colorbalance=rs=0.15:bs=-0.15:rh=0.1:bh=-0.1" \
output.mp4
# Warm overall
ffmpeg -i input.mp4 \
-vf "colorbalance=rs=0.1:rm=0.05:rh=0.1:bs=-0.05:bm=-0.03:bh=-0.05" \
output.mp4
# Cool shadows, warm highlights (split toning)
ffmpeg -i input.mp4 \
-vf "colorbalance=rs=-0.1:bs=0.1:rh=0.15:bh=-0.1" \
output.mp4
# Rotate hue by 30 degrees
ffmpeg -i input.mp4 -vf "hue=h=30" output.mp4
# Increase saturation
ffmpeg -i input.mp4 -vf "hue=s=1.5" output.mp4
# Decrease saturation (desaturate)
ffmpeg -i input.mp4 -vf "hue=s=0.5" output.mp4
# Adjust brightness
ffmpeg -i input.mp4 -vf "hue=b=0.1" output.mp4
# Animated hue rotation
ffmpeg -i input.mp4 \
-vf "hue=h=t*36" \
output.mp4 # Full rotation every 10 seconds
# Full color adjustment
ffmpeg -i input.mp4 \
-vf "eq=contrast=1.1:brightness=0.05:saturation=1.2:gamma=1.1" \
output.mp4
# eq parameters:
# contrast: 0-2 (default 1)
# brightness: -1 to 1 (default 0)
# saturation: 0-3 (default 1)
# gamma: 0.1-10 (default 1)
# gamma_r/gamma_g/gamma_b: per-channel gamma
# Warm up (lower temperature)
ffmpeg -i input.mp4 \
-vf "colortemperature=temperature=5000" \
output.mp4
# Cool down (higher temperature)
ffmpeg -i input.mp4 \
-vf "colortemperature=temperature=8000" \
output.mp4
# Neutral daylight
ffmpeg -i input.mp4 \
-vf "colortemperature=temperature=6500" \
output.mp4
# Using colorbalance for white balance
# Correct blue cast (add warmth)
ffmpeg -i input.mp4 \
-vf "colorbalance=rs=0.1:rm=0.05:bs=-0.1:bm=-0.05" \
output.mp4
# Correct yellow/orange cast (add blue)
ffmpeg -i input.mp4 \
-vf "colorbalance=rs=-0.1:rm=-0.05:bs=0.1:bm=0.05" \
output.mp4
# Convert BT.601 to BT.709
ffmpeg -i input.mp4 \
-vf "colorspace=bt709:iall=bt601-6-625:fast=1" \
-c:v libx264 -crf 18 \
output.mp4
# Force color space metadata
ffmpeg -i input.mp4 \
-color_primaries bt709 -color_trc bt709 -colorspace bt709 \
-c:v libx264 -crf 18 output.mp4
# Basic HDR to SDR (BT.2020/PQ to BT.709)
ffmpeg -i hdr_input.mp4 \
-vf "zscale=t=linear:npl=100,format=gbrpf32le,\
zscale=p=bt709,tonemap=tonemap=hable:desat=0,\
zscale=t=bt709:m=bt709:r=tv,format=yuv420p" \
-c:v libx264 -crf 18 sdr_output.mp4
# HDR10 to SDR with better quality
ffmpeg -i hdr10_input.mp4 \
-vf "zscale=t=linear:npl=100,format=gbrpf32le,\
zscale=p=bt709,tonemap=tonemap=reinhard:param=0.4:desat=0,\
zscale=t=bt709:m=bt709,format=yuv420p" \
-c:v libx264 -crf 18 output.mp4
| Algorithm | Characteristic |
|---|---|
| none | Clipping only |
| clip | Hard clip to SDR range |
| linear | Linear scale |
| gamma | Gamma curve |
| reinhard | Soft rolloff, natural |
| hable | Film-like, John Hable |
| mobius | S-curve, smooth |
# Keep only red, desaturate rest (Sin City effect)
ffmpeg -i input.mp4 \
-vf "hue=s=0,\
split[a][b];\
[a]hue=s=0[bw];\
[b]colorkey=0xFF0000:0.3:0.1[red];\
[bw][red]overlay" \
output.mp4
# Isolate specific color range using selectivecolor
# Note: Use colorchannelmixer for more control
# Convert to grayscale with proper luminance weights
ffmpeg -i input.mp4 \
-vf "colorchannelmixer=.3:.59:.11:0:.3:.59:.11:0:.3:.59:.11" \
output.mp4
# Sepia tone
ffmpeg -i input.mp4 \
-vf "colorchannelmixer=.393:.769:.189:0:.349:.686:.168:0:.272:.534:.131" \
output.mp4
# Swap red and blue channels
ffmpeg -i input.mp4 \
-vf "colorchannelmixer=0:0:1:0:0:1:0:0:1:0:0:0" \
output.mp4
# Boost reds, reduce blues
ffmpeg -i input.mp4 \
-vf "colorchannelmixer=1.2:0:0:0:0:1:0:0:0:0:0.8:0" \
output.mp4
# 35mm Film Look
ffmpeg -i input.mp4 \
-vf "\
eq=contrast=1.1:saturation=0.95:gamma=1.05,\
curves=preset=cross_process,\
colorbalance=rs=0.05:bh=-0.05,\
noise=c0s=3:c1s=3:c0f=t:c1f=t,\
unsharp=3:3:0.5" \
-c:v libx264 -crf 18 film_look.mp4
# Kodak Portra Style
ffmpeg -i input.mp4 \
-vf "\
eq=saturation=0.9:contrast=1.05,\
colorbalance=rs=0.1:gs=-0.02:rm=0.05:gm=-0.02,\
curves=r='0/0.02 1/0.98':g='0/0 1/1':b='0/0.02 1/0.95'" \
output.mp4
# Fuji Film Style
ffmpeg -i input.mp4 \
-vf "\
eq=saturation=1.1:contrast=1.05,\
colorbalance=gs=0.05:bs=0.08:gm=0.02:bm=0.05,\
curves=g='0/0.02 1/1'" \
output.mp4
# Blockbuster Orange & Teal
ffmpeg -i input.mp4 \
-vf "\
eq=contrast=1.15:saturation=1.1:brightness=-0.02,\
colorbalance=rs=0.12:gs=-0.04:bs=-0.15:rh=0.08:bh=-0.12,\
curves=all='0/0.02 0.5/0.5 1/0.98',\
unsharp=5:5:0.6" \
-c:v libx264 -crf 18 cinematic.mp4
# Moody/Dark Cinematic
ffmpeg -i input.mp4 \
-vf "\
eq=contrast=1.2:brightness=-0.08:saturation=0.85,\
colorbalance=bs=0.1:bm=0.05:gh=-0.05,\
curves=all='0/0.05 0.5/0.45 1/0.9'" \
output.mp4
# High Key Bright
ffmpeg -i input.mp4 \
-vf "\
eq=contrast=0.9:brightness=0.1:saturation=0.9:gamma=0.85,\
colorbalance=rs=0.05:gs=0.02:bs=0.02" \
output.mp4
# Neon/Cyberpunk
ffmpeg -i input.mp4 \
-vf "\
eq=contrast=1.3:saturation=1.5:brightness=-0.05,\
colorbalance=rs=0.2:bs=0.2:rm=-0.1:bm=0.15,\
unsharp=5:5:1.0" \
output.mp4
# VHS/Retro
ffmpeg -i input.mp4 \
-vf "\
eq=saturation=1.2:contrast=0.95,\
chromashift=cbh=2:cbv=2,\
noise=c0s=10:c1s=5:allf=t,\
curves=preset=vintage" \
output.mp4
# Dream/Ethereal
ffmpeg -i input.mp4 \
-filter_complex "\
[0:v]split[a][b];\
[a]gblur=sigma=15,eq=brightness=0.1[blur];\
[b][blur]blend=all_mode=screen:all_opacity=0.3[out]" \
-map "[out]" -c:v libx264 -crf 18 dream.mp4
# Gradually warm over time
ffmpeg -i input.mp4 \
-vf "colorbalance=rs='0.1*t/30':bs='-0.1*t/30'" \
output.mp4
# Pulsing saturation
ffmpeg -i input.mp4 \
-vf "hue=s='1+0.3*sin(t*2)'" \
output.mp4
# Day to night transition
ffmpeg -i input.mp4 \
-vf "\
colortemperature=temperature='8000-3000*t/30',\
eq=brightness='-0.2*t/30':saturation='1-0.3*t/30'" \
output.mp4
Banding in gradients after grading:
# Add dithering
ffmpeg -i input.mp4 \
-vf "lut3d=lut.cube,format=yuv420p10le" \
-c:v libx264 -profile:v high10 -crf 18 output.mp4
# Or add subtle noise
ffmpeg -i input.mp4 \
-vf "lut3d=lut.cube,noise=c0s=2:c0f=a" \
output.mp4
Color shift after encoding:
# Force color space flags
ffmpeg -i input.mp4 \
-vf "your_filters" \
-color_primaries bt709 -color_trc bt709 -colorspace bt709 \
-c:v libx264 -crf 18 output.mp4
Chromakey green fringe:
# Use despill with colorbalance
ffmpeg -i green_screen.mp4 -i bg.mp4 \
-filter_complex "\
[0:v]chromakey=0x00FF00:0.25:0.1,\
colorbalance=gs=-0.15:gm=-0.1[fg];\
[1:v][fg]overlay" \
output.mp4
This guide covers FFmpeg color grading and chromakey operations. For transitions see ffmpeg-transitions-effects, for shapes see ffmpeg-shapes-graphics.
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