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Guide

Why print colours differ from your screen

Screens make colour by emitting light (RGB), while printers lay down inks on a material (usually CMYK, sometimes with extra colours). The film or board, the laminate, the printer's colour profiles and the light it's seen in all change how a colour looks. Exact matches can't be promised from a screen. For colour-critical work, a printed proof on the actual material is the reliable way to agree a colour.

Last reviewed 10 November 2026

On screen (RGB)
Printed (illustrative)
Illustrative only. Very bright screen colours often can't be printed exactly. Your screen isn't a colour reference.

RGB, CMYK and Pantone in one minute

  • RGB: red, green and blue light. How screens show colour.
  • CMYK: cyan, magenta, yellow and black inks. Used in process printing.
  • Pantone: a system of colour references. It's a target to match, not a guarantee that every material can hit it exactly.

Should I send RGB or CMYK?

It depends on the production set-up. Some print software works best with CMYK files, while others take profiled RGB and convert it using profiles matched to the printer and material. We'll tell you what we prefer for your job, and we check every file either way.

Getting colour right

  • Tell us your brand colour references
  • Say which colours matter most
  • Ask for a printed proof on the real material for colour-critical work
  • View it in the light it will be seen in

Sources

  1. ICC, Frequently asked questions (colour management, metamerism)
  2. Pantone, Normal printing process colour variances
  3. Roland DG, VersaWorks 6 colour settings (RGB input profiles)
  4. HP Tech Takes, Large format printing best practices (2026)

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