Datamax-O'Neil Netcenter User Manual - Manual (Page 9)

User Manual
3. Getting Started
Note that NetCenter uses system default colour settings, which may
vary depending on the current colour theme used on your computer.
Since there is no ‘alarm’ colour or such defined among Windows
default colours, the only exception from using Windows default
colours is the printer error states, which always are displayed as
white text on a red background.