Colorado is not a “community property†state, but it does have a category called “marital property.†In Colorado, most assets acquired during a marriage are considered marital property, which is subject to division by the courts in a divorce.
So even if she's off title, if the property was acquired during the marriage, it appears that it is still marital property that only the divorce decree can divest her of.
Consult an attorney for final say...and I'm betting they say to give ROR anyway.