---
type: faq
title: "What does '4/0' or '1/0' mean in envelope printing?"
description: "In envelope printing, these numbers describe how many ink colors print on each side, written as front over back. Notation Front Back 4/0 Full color (CMYK)"
resource: https://www.4over4.com/faqs/business-stationery/what-does-4-0-or-1-0-mean-in-envelope-printing
tags: ["Business Stationery", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What does '4/0' or '1/0' mean in envelope printing?

In envelope printing, these numbers describe how many ink colors print on each side, written as front over back. Notation Front Back 4/0 Full color (CMYK)

Part of the **Business Stationery** hub. See [all faq concepts](index.md).

- Page type: faq
- Hub: Business Stationery
- URL: https://www.4over4.com/faqs/business-stationery/what-does-4-0-or-1-0-mean-in-envelope-printing