What's the -Y suffix mean for Lumex LCM-S01602DSF/B-Y

What is the callout for the -Y suffix in Lumex part number LCM-S01602DSF/B-Y? How is it different from LCM-S01602DSF/B?

After checking with the Product Manager that handles these Lumex LCD Displays, it was determined that the suffix calls out the background color.

-Y = Yellow background color
Blank = Green background color

LCD Display