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ACES Color Correction with Toe
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ACES Color Correction with Toe

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ACEScct extends ACEScc with a 'toe' region in shadows for more natural grading behavior in dark image areas.

Definition

ACEScct (ACES Color Correction with Toe) is an evolution of ACEScc that adds a "toe" – a gentle curve in the shadows. This prevents harsh clipping of very dark values and allows for more natural grading, especially with high-contrast images.

The "Toe" Difference

Shadow Curve Behavior:

ACEScc: | ACEScct:
 | 
 ____/ ____/
 | /
 | /
 | ( ← Toe: gentle transition
_______| ____/

Advantages over ACEScc

  1. Shadow Behavior: No harsh clipping boundaries
  2. Lift Adjustments: Respond more naturally
  3. Low-Key Looks: More easily achievable
  4. Compatibility: Familiar with Cineon/DPX workflows

Practical Application

DaVinci Resolve Setup

  1. Project Settings → Color Management
  2. Color Science: ACEScct
  3. ACES Version: 1.3 (current)
  4. ACES Input Transform: Auto-detect or manual

Typical Workflow

  • Timeline Space: ACEScct
  • Grading: In ACEScct
  • Output: Via ODT to target color space

Recommendation

ACEScct is today the recommended standard for color grading in ACES workflows. Most colorists and post-production houses have switched to ACEScct.

See also

  • ACEScc – Predecessor without toe
  • ACEScg – For VFX work
  • ACES – Overall system
From the crafts

Perspectives

Cinematographer

Bei ACEScct begleite ich den Film weiter. Das Grading ist die Vollendung meiner Arbeit – ich bleibe involviert für visuelle Kontinuität.

Director

ACEScct ist die letzte kreative Phase. Hier treffe ich finale Entscheidungen, die den Look und Feel des Films definieren.

Editor

ACEScct ist Teil meines täglichen Workflows. Hier werden die Puzzleteile vom Set zum fertigen Film zusammengefügt.

Producer

ACEScct muss im Budget und Zeitplan berücksichtigt sein. Gute Postproduktion braucht Zeit und qualifizierte Spezialisten.

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2. Zu welchem Department gehört „ACEScct"?

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