How much would it cost to change my first name in Colorado, US?

I'm looking for shorten my first name [take off 3 letters] so I was wondering what the cost would be in the state of Colorado to change my first name. I've done some research but all I've found are name change products - which I'm not sure I need or if those are the correct prices anyway. Hopefully that made sense haha, thank you for any help you can give me.How much would it cost to change my first name in Colorado, US?around $125 i believe. (give or take)How much would it cost to change my first name in Colorado, US?Check with the office of the Clerk of Court for the county where you live.