Color Grading

Definition

Color Grading (German: Farbkorrektur or Farbgestaltung) is the creative process of color manipulation in post-production. It goes beyond technical correction and shapes the emotional color language of the film – the "look" that visually communicates time, place, and mood.

Color Correction vs. Color Grading

Workflow: Correction first, then Grading.

The Grading Process

1. Primary Correction

Basic adjustments for the entire image:

• Exposure: Lift, Gamma, Gain
• Contrast: Black Point, White Point
• Color Balance: Temperature, Tint
• Saturation: Global

2. Secondary Correction

Selective adjustments:

• Qualifier: Isolate specific colors
• Power Windows: Mask areas
• Curves: Precise color curves
• HSL: Hue, Saturation, Luminance individually

3. Look Development

The creative "look":

• LUTs: Apply Look-Up Tables
• Film Emulation: Analog film looks
• Stylization: Teal/Orange, Bleach Bypass, etc.

4. Finishing

• Shot Matching: Consistency between shots
• Skin Tones: Protect/optimize skin tones
• Vignetting: Edge darkening
• Grain: Add film grain

Tools and Equipment

Software

• DaVinci Resolve: Industry standard
• Baselight: High-end suites
• Lumetri (Premiere): Integrated
• FilmLight: Grading specialist

Hardware

• Grading Panel: Tangent, DaVinci
• Reference Monitor: Calibrated, HDR-capable
• Scopes: Waveform, Vectorscope, Histogram

Color Spaces

• Rec.709: HD/SDR
• DCI-P3: Cinema
• Rec.2020: HDR
• ACES: Universal working color space

Popular Look Styles

Teal & Orange

• Complementary contrast
• Warm skin tones, cool shadows
• Blockbuster standard

Bleach Bypass

• Desaturated, high contrast
• Simulates silver retention
• Gritty, documentary

Cross-Processing

• Unnatural color shifts
• Retro/vintage look
• Creative-experimental

Film Emulation

• Kodak, Fuji looks
• Analog film characteristics
• Nostalgic, organic

The Colorist

Tasks

• Develop look with DoP/Director
• Ensure technical consistency
• Creative color design
• Create multiple deliverables

Collaboration

• DoP: Provides references, attends sessions
• Director: Final approval
• VFX: Matching CGI elements

Workflow Integration

Camera (Log/RAW)
 ↓
Edit (Offline with LUT)
 ↓
Conform (Online Resolution)
 ↓
COLOR GRADING
 ↓
Deliverables (Cinema, TV, Web)

Practical Tips

For DoPs

• On Set: Use a LUT that approximates the final look
• Schedule and attend grading sessions
• Provide reference images/lookbook

For Colorists

• Use skin tones as a reference
• Don't ignore scopes
• Less is often more
• Calibrate your display!

Advanced: Node-based Grading

Professional colorists are increasingly using node-based workflows instead of the traditional page-based interface:

DaVinci Fusion Color Nodes

Input Node (Timeline Import)
 ↓
Pre-Transform Node (Log→Linear)
 ↓
Primary Color Node (LGG Wheels)
 ↓
Secondary Node 1 (Qualifier: Skin Tones)
 ↓
Secondary Node 2 (Power Window: Highlights)
 ↓
Look LUT Node (Creative Style)
 ↓
Output Node (Rec.709/P3/Rec.2020)

Node-based Advantages:

• Non-destructive Editing: Each node is independently reversible
• Branching Workflows: Multiple grades in parallel, then select the best
• Efficient VFX Matching: CGI rendering with identical node trees
• Batch Processing: Apply grades to hundreds of clips

Example: Skin-Tone-Protection Node

A colorist creates a reusable "Skin-Tone-Protection" node:

1. Qualifier: Isolates Red-Yellow range (0.85-0.92 Hue)
2. Curve: Defines precisely which pixels are isolated (Luminance masking)
3. Correction: Light Lift for a warm feeling
4. Output: Connected to Main Output for non-destructive application

Workflow Integration in Post-Production

Offline Edit (with Rough-Grade LUT)
 ↓
Online Conform (EDL-based)
 ↓
PRIMARY COLOR CORRECTION (1 week)
 ├─ Multi-Camera Matching
 ├─ Exposure Normalization
 └─ White Balance
 ↓
SECONDARY COLOR GRADING (2-3 weeks)
 ├─ Look Development
 ├─ Skin Tone Protection
 └─ Creative Secondaries (Power Windows, Qualifiers)
 ↓
FINAL MASTERING (3-5 days)
 ├─ Rec.709 Mastering (TV/Web)
 ├─ DCI-P3 Mastering (Cinema)
 ├─ Rec.2020 HDR Mastering (Streaming)
 └─ Compliance Checks (Luma/Chroma Range)
 ↓
DELIVERABLES
 ├─ DCP (Digital Cinema Package)
 ├─ ProRes 422 HQ Masters
 ├─ MXF AS-11 (Broadcast)
 └─ H.264/H.265 (Streaming)

See also

• Colorist – The color artist
• Color Correction – Technical foundation
• Node-based Editing – Node workflows in DaVinci
• LUT – Look-Up Table
• DaVinci Resolve – Grading software
• ACES – Color management system
• Power Window – Selective masking
• Qualifier – Color-based selection