Below are links to Uniform Resources. 

2019 Uniform Standards, Policies, and Guides 

The Most Comprehensive Uniform Guide Ever!

Uniform Distribution Center (UDC)
https://shopcgx.com

(Coast Guard Uniform Items, No Auxiliary Specific Items)
Pants, Shirts, Boots, etc
To Find Tropical Blue, look under "Service Dress"

The Coast Guard Auxiliary Member Store 

(Auxiliary Uniform Items)
Insignia, Devices, Belt Buckles, Caps

The National "Ribbon Checker" is no longer available
Military ribbon availability and procurement
is available from various commercial websites.

                   Tropical Blue Uniform                                  ODU Uniform