Effective July 1, 2022, Colorado imposes a retail delivery fee on all deliveries by motor vehicle to a location in Colorado with at least one item of tangible personal property subject to state sales or use tax.
The retailer or marketplace that collects the sales or use tax on the tangible personal property sold and delivered, is liable to collect and remit the retail delivery fee. Deliveries include when any taxable goods are mailed, shipped, or otherwise delivered by motor vehicle to a purchaser in Colorado.
You can see the breakdown of the Retail Delivery Fee here:
https://tax.colorado.gov/retail-delivery-fee