---
title: "Roll-off"
url: https://postproduction.studio/en/glossary/roll-off
language: en
description: "A smooth compression curve applied to highlights (or shadows) to prevent harsh clipping. Used in tone mapping, log encoding, and film emulation. Often s..."
updated: 2026-10-25
---

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# Roll-off

A smooth compression curve applied to highlights (or shadows) to prevent harsh clipping. Used in tone mapping, log encoding, and film emulation. Often shaped as a Hermite or shoulder curve.

Color Grading, Color ScienceColoristColor Grading

## Related terms

[Tone Mapping](https://postproduction.studio/en/glossary/tone-mapping)[Highlight recovery](https://postproduction.studio/en/glossary/highlight-recovery)

## Articles covering this term

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* [ACES: End-to-End Color Workflow System

  Master ACES color workflow: AP0/AP1 spaces, IDT/RRT/ODT transforms, ACEScg/ACEScct, VFX integration, HDR workflows, and implementation best practices.](https://postproduction.studio/en/image/aces-workflow)