List of Colorado state symbols

The government of 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 numine, was adopted by the First Session of the Territorial Legislature on November 6, 1861. The 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

+Colorado state insignia Type Symbol Date ImageCoat of armsCoat of Arms of the State of ColoradoNovember 11, 1861March 15, 1877CRS 24-80-901FlagFlag of the State of ColoradoJune 5, 1911SB 118-1911February 28, 1928SB 152-1929March 31, 1964LogoColorado state government logoMarch 26, 2019MottoNil sine numine(Latin: Nothing without providence)November 6, 1861November 6, 1876CRS 24-80-901NicknameCentennial StateStatehood on August 1, 1876SealGreat Seal of the State of ColoradoNovember 11, 1861March 15, 1877CRS 24-80-901SloganColorful Colorado1950unofficial

Living symbols +Colorado living symbols Type Symbol Date ImageAmphibianWestern tiger salamanderAmbystoma mavortium2012BirdLark buntingCalamospiza melancorys stejneger1931CactusClaret cup cactusEchinocereus triglochidiatus2014FishGreenback cutthroat troutOncorhynchus clarki stomias1994FlowerRocky Mountain columbineAquilegia coerulea1899GrassBlue grama grassBouteloua gracilisMay 20, 1987SJR13-1987InsectColorado hairstreak butterflyHypaurotis crysalusApril 17, 1996SB 122-1996CRS 24-80-913MammalRocky Mountain bighorn sheepOvis canadensis canadensisMay 1, 1961SB 294-1961CRS 24-80-911MushroomThe Emperor Agaricus julius2025PetsColorado shelter petsCanis lupus familiaris & Felis catusMay 13, 2013SB13-201ReptileWestern painted turtleChrysemys picta belliiMarch 18, 2008HB08-1017TreeColorado blue sprucePicea pungens glaucaMarch 7, 1939HJR 7-1939

Earth symbols +Colorado earth symbols Type Symbol Date ImageFossilStegosaurusApril 28, 1982Executive OrderGemstoneAquamarineApril 30, 1971HB 1104-1971CRS 24-80-912MineralRhodochrositeApril 17, 2002CRS 24-80-912.5RockYule MarbleMarch 9, 2004HB04-1023CRS 24-80-912.7SoilSeitz soilUnited States Department of Agriculture

Cultural symbols +Colorado cultural symbols Type Symbol Date ImageFolk danceSquare danceMarch 16, 1992HB 1058-1992CRS 24-80-909.5Songs"Where the Columbines Grow"May 8, 1915SB 308-1915CRS 24-80-909"Rocky Mountain High"March 12, 2007SJR07-023CRS 24-80-909Summer sportPack burro racingMay 8, 2012HJR12-1021TartanColorado state tartanMarch 3, 1997HJR97-1016Winter sportSkiing and snowboardingApril 8, 2008

Highway route markers +Colorado highway route markers Type Symbol Year ImageState highwaysColorado state highway route marker1967Colorado Highway CommissionScenic bywaysColorado Scenic and Historic Byway route marker1989Colorado Scenic and Historic Byways Commission

Motor vehicle license plates +Typical Colorado state motor vehicle license plate Type Symbol Year ImageLicense plateColorado passenger automobile registration plate191320182025Colorado Department of Revenue

United States naval vessels +United States naval vessels named USS Colorado Type Symbol Date ImageScrew frigateMarch 13, 1858 toJune 8, 1875United States NavyArmored cruiserJanuary 19, 1905renamedNovember 9, 1916 toSeptember 28, 1927United States NavyBattleshipAugust 30, 1923 toJanuary 1947United States NavyNuclear submarineCommissionedMarch 17, 2018United States Navy

United States postage stamp +Colorado statehood sesquicentennial United States postage stamp Type Symbol Date ImageU.S. postage stamp2026 Colorado statehood sesquicentennial postage stampJanuary 24, 2026United States Postal ServiceSee USPS

United States coin +2006 United States quarter dollar featuring Colorado Type Symbol Date ImageU.S. quarter dollarColorado state quarter dollarJune 14, 2006United States Mint

List of Colorado state symbols

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