CO has has delays. The state began to accept e-files on Monday, February 12. They are still working through a backlog and ask that you give them a week or so to get through the backlog. Keep watching your emails for the message as to whether the return has been accepted; when it has been accepted you can track it on the state's site.
To track your state refund:
https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund
https://ttlc.intuit.com/community/state-taxes/help/how-do-i-contact-my-state-department-of-revenue/0...
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**