Not in Colorado. The statute (CRS 18-1-704.5) says:
"any occupant of a dwelling is justified in using any degree of physical force, including deadly physical force, against another person when that other person has made an unlawful entry into the dwelling, and when the occupant has a reasonable belief that such other person has committed a crime in the dwelling in addition to the uninvited entry, or is committing or intends to commit a crime against a person or property in addition to the uninvited entry, and when the occupant reasonably believes that such other person might use any physical force, no matter how slight, against any occupant."


No requirement that "your life needs to be physically threatened". Just a reasonable belief that the intruder might use any physical force, ***no matter how slight***, against any occupant.