List of Colorado state symbols
The U.S. State of Colorado has many adopted symbols and emblems. Most of these symbols and emblems were adopted by acts of the Legislative Assembly of the Territory of Colorado, and after statehood, the General Assembly of the State of Colorado. A few of these symbols were adopted by executive action of the Governor. Federal agencies designated some of these symbols in honor of the state. Each entry explains the manner and date of adoption.
The first insignia of Colorado, the territorial motto: NIL SINE NVMINE, was adopted by the First Session of the Territorial Legislature on November 6, 1861. The Seal of the State of Colorado|seal] and coat of arms of the Territory of Colorado were specified by the First Session of the Territorial Legislature but not created until November 11, 1861.
Insignia
| Type | Symbol | Date | Image |
| Coat of arms | Coat of Arms of the State of Colorado | November 11, 1861 March 15, 1877 CRS 24-80-901 | |
| Flag | Flag of the State of Colorado | June 5, 1911 SB 118-1911 February 28, 1928 SB 152-1929 March 31, 1964 | |
| Logo | Colorado state government logo | March 26, 2019 | |
| Motto | Nil sine numine | November 6, 1861 November 6, 1876 CRS 24-80-901 | |
| Nickname | Centennial State | Statehood on August 1, 1876 | |
| Seal | Great Seal of the State of Colorado | November 11, 1861 March 15, 1877 CRS 24-80-901 | |
| Slogan | Colorful Colorado | 1950 unofficial |