MapInfo Pro: Swatches in the Legend appear dull when printing to PDF

Issue

When printing to PDF Swatches in the Legend appear dull compared to what they look in MapInfo Pro.

Cause

This is a bug within MapInfo Pro.

Resolution

UPDATED: December 9, 2019
This has been raised under the bug number MIPRO-84527. We will look to fix this in future releases of MapInfo Pro.