What's with all those black license plates in Colorado?

Hint: It's a throwback. And you can get one now.

Colorado Day brings 2 new state license plates

Group Special License Plates Department of Revenue - Motor Vehicle

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Vehicle registration plates of Colorado - Wikipedia

Next Question: What's up with Colorado's black license plates?

In California, what kind of license plate is a black background with white letters? I don't see these listed in the section on DMV for special plates. I've seen 2 of these

Colorado's New Black License Plates : r/Colorado

Voting is open for Colorado's 150th-anniversary license plate

Colorado re-introduces three retired license plates - The Longmont Leader

Why Colorado's blackout license plate has taken over