---
type: guide
title: "What Printing Plates Are in Offset and CMYK Printing"
description: "What printing plates are in offset and CMYK printing, why they are blue, and whether you need to supply your own (you do not) at 4OVER4."
resource: https://www.4over4.com/guide/what-are-printing-plates
tags: ["guide"]
timestamp: 2026-08-08T21:25:50.722Z
---

# What Printing Plates Are in Offset and CMYK Printing

What printing plates are in offset and CMYK printing, why they are blue, and whether you need to supply your own (you do not) at 4OVER4.

See [all guide concepts](index.md).

- Page type: guide
- URL: https://www.4over4.com/guide/what-are-printing-plates