Separation Profiles in GMG OpenColor

Use OpenColor separations when you need to:

• Move artwork between printing processes (e.g., Offset → Digital) while keeping appearances consistent
• Convert RGB or CMYK into an Expanded Color Gamut (ECG) setup (e.g., CMYK+OGV...)
• Standardize channel mapping across devices (same rules, same output channel behavior).
• Provide separation profiles to other applications to ensure consistent conversions

How it works (at a glance)

1. Ink Settings: Define the inks for the project and their constraints (e.g., available channels, limits, and ink behavior).
2. Separation Rules: Define how incoming color data is handled. Process color conversion behavior and spot color policies and mapping (e.g., keep, convert, map to specific channels).
3. Target Color Space: Choose the production or proof condition you want to separate into.
4. Calculate & publish: Calculate the separation profile, verify results, and publish it so it’s available to connected applications.

Prerequisites

You need:

• A project with completed Ink Settings
• Permission to create/edit Separation Rules
• A defined target color space / printing condition
• Permission to calculate and publish profiles in your environment

Best practices

• Start with Ink Settings
  Validate inks and constraints first. Missing or incomplete ink definitions will block or limit separation setup.
• Keep rules modular
  Use separate, clearly named rulesets for process conversion vs. spot handling to simplify maintenance.
• Verify with a representative test file
  Use a small, representative test file to confirm mapping and tone behavior.
• Document your defaults
  Record recommended parameter combinations so teams reuse the same settings across jobs and sites.