---
type: faq
title: "What is registration black?"
description: "Registration black is a special swatch set to 100 percent of all four CMYK plates at once. It exists so that crop marks and registration marks print on eve"
resource: https://www.4over4.com/faqs/color-ink/what-is-registration-black
tags: ["Printing Terms Glossary", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What is registration black?

Registration black is a special swatch set to 100 percent of all four CMYK plates at once. It exists so that crop marks and registration marks print on eve

Part of the **Printing Terms Glossary** hub. See [all faq concepts](index.md).

- Page type: faq
- Hub: Printing Terms Glossary
- URL: https://www.4over4.com/faqs/color-ink/what-is-registration-black