Garbage cans color coding in the USA
Your city waste department handles color coding of garbage, recyclable materials and other such items.Typically you are correct - Blue for recycle and Green for Garbage. 


Who provides a can for compost - if they provide one at all.
What can is used for what purpose.


All Cities in the USA have their own requirements.
You will need to look in your City Web Site page and they should have a contact number for the Waste Collection Division - they can and will provide you with the details you request.