# Vehicle registration plates of Colorado

The U.S. state of Colorado first required its residents to register their motor vehicles and display license plates in 1913. As of 2024, plates are issued by the Colorado Department of Revenue through its Division of Motor Vehicles. Front and rear plates are required for most classes of vehicles, while only rear plates are required for motorcycles and trailers.
The basic design of Colorado's license plate, a range of mountains against a white or green background, has been in use since 1960 (except for 1973 and 1975–76). In 2000, a screened, more detailed version of the mountain range replaced the previous dark green version.

## Passenger baseplates
### 1913 to 1974

In 1956, the United States, Canada, and Mexico came to an agreement with the American Association of Motor Vehicle Administrators, the Automobile Manufacturers Association and the National Safety Council that standardized the size for license plates for vehicles (except those for motorcycles) at 6 inches (15 cm) in height by 12 inches (30 cm) in width, with standardized mounting holes. The 1955 (dated 1956) issue was the first Colorado license plate that fully complied with these standards: the 1954 (dated 1955) issue was 6 inches in height by 12 inches in width, but had non-standard mounting holes.
| Dates issued | Design | Slogan | Serial format | Serials issued | Notes |
| 1913 | Black serial on white porcelain plate; vertical "COLO" and "1913" at left and right respectively | none | 12345 | 1 to approximately 14500 | |
| 1914 | White serial on dark blue porcelain plate; vertical "COLO" and "1914" at left and right respectively | none | 12345 | 1 to approximately 20000 | |
| 1915 | Black serial on yellow porcelain plate; vertical "COLO" and "1915" at left and right respectively | none | 12345 | 1 to approximately 29000 | |
| 1916 | Embossed white serial on brown plate with border line; vertical "COLO" and "1916" at left and right respectively | none | 12345 | 1 to approximately 47000 | First embossed plate. Serials issued in blocks by county; this practice continued through 1931. |
| 1917 | Embossed black serial on pink plate with border line; vertical "COLO" and "1917" at left and right respectively | none | 12345 | 1 to approximately 68000 | |
| 1918 | Embossed white serial on black plate with border line; vertical "COLO" and "1918" at left and right respectively | none | 123-456 | 1 to approximately 102-000 | |
| 1919–20 | Welded silver serial on dark brown plate; "COLO." centered at top | none | 123-456 | 1 to approximately 233-000 | Validated for 1919 with dark brown tabs, and for 1920 with dark blue tabs. |
| 1920 | Embossed silver serial on dark brown plate with border line; vertical "COLO" and "1920" at left and right respectively | none | 123-456 | 1 to approximately 233-000 | Issued only to new registrants. |
| 1921 | Embossed silver serial on dark blue plate with border line; "COLO-1921" centered at top | none | 123-456 | 1 to approximately 177-000 | |
| 1922 | Embossed black serial on white plate with border line; stylized vertical "COLO" and "22" at right | none | 123-456 | 1 to approximately 190-000 | |
| 1923 | Embossed white serial on black plate with border line; "COLO. 1923" centered at bottom | none | 123-456 | 1 to approximately 192-000 | |
| 1924 | Embossed black serial on beige plate with border line; "COLO. 1924" centered at bottom | none | 123-456 | 1 to approximately 224-000 | |
| 1925 | Embossed white serial on maroon plate with border line; "COLO. 1925" centered at bottom | none | 123-456 | 1 to approximately 266-000 | |
| 1926 | Embossed white serial on green plate with border line; "COLO. 1926" centered at bottom | none | 123-456 | 1 to approximately 274-000 | |
| 1927 | Embossed white serial on black plate with border line; "COLO. 1927" centered at bottom | none | 123-456 | 1 to approximately 308-000 | |
| 1928 | Embossed maroon serial on beige plate with border line; "COLO. 1928" centered at bottom | none | 123-456 | 1 to approximately 314-000 | |
| 1929 | Embossed white serial on maroon plate with border line; "COLO. 1929" centered at bottom | none | 123-456 | 1 to approximately 326-000 | |
| 1930 | Embossed orange serial on black plate with border line; "COLORADO-1930" at top | none | 12-34-56 | 1 to approximately 34-40-00 | First use of the full state name. |
| 1931 | Embossed black serial on orange plate; "COLORADO-1931" at bottom | none | 123-456 | 1 to approximately 386-000 | |
| 1932 | Embossed orange serial on black plate; "COLORADO 1932" at bottom | none | 1-12-345 10-1-234 | County-coded | First use of county codes. |
| 1933 | Embossed black serial on orange plate; "COLORADO 1933" at bottom | none | 1-12345 10-1234 | County-coded | |
| 1934 | Embossed yellow serial on black plate; "COLORADO 1934" at bottom | none | 1-12345 10-1234 | County-coded | |
| 1935 | Embossed black serial on yellow plate with border line; "COLO. 1935" centered at top | none | 1-12345 10-1234 | County-coded | |
| 1936 | Embossed white serial on blue plate with border line; "COLO. 1936" centered at top | none | 1-12345 10-1234 | County-coded | |
| 1937 | Embossed black serial on silver plate with border line; "COLO. 1937" centered at top | none | 1-12345 10-1234 | County-coded | |
| 1938 | Embossed white serial on turquoise plate with border line; "19 COLORADO 38" at top | none | 1-12345 10-1234 | County-coded | |
| 1939 | Embossed yellow serial on black plate with border line; "19 COLORADO 39" at top | none | 1-12345 10-12345 | County-coded | |
| 1940 | Embossed black serial on yellow plate with border line; "19 COLORADO 40" at top | none | 1-12345 10-12345 | County-coded | |
| 1941 | Embossed yellow serial on black plate with border line; "19 COLORADO 41" at top | none | 1-123456 10-12345 | County-coded | |
| 1942 | Embossed white serial on maroon plate with border line; "19 COLORADO 42" at top | none | 1-123456 10-12345 | County-coded | |
| 1943–44 | Embossed yellow serial on black plate with border line; "19 COLORADO 43" at top | none | 1-123456 10-12345 | County-coded | Revalidated for 1944 with yellow tabs, due to metal conservation for World War II. |
| 1945 | Embossed white serial on black plate with border line; "19 COLORADO 45" at top | none | 1-12345 10-12345 | County-coded | |
| 1946 | Embossed yellow serial on black plate with border line; "19 COLORADO 46" at bottom | none | 1-12345 10-12345 | County-coded | |
| 1947 | Embossed black serial on yellow plate with border line; "19 COLORADO 47" at bottom | none | 1-123456 10-12345 | County-coded | |
| 1948 | Embossed black serial on unpainted aluminum plate with border line; "19 COLORADO 48" at top | none | 1-123456 10-12345 | County-coded | |
| 1949 | Embossed yellow serial on black plate with border line; "19 COLORADO 49" at bottom | none | 1-123456 10-12345 | County-coded | |
| 1950 | Embossed green serial on white plate with border line; "19 COLORADO 50" at bottom | "COLORFUL" centered at top | 1-123456 10-12345 | County-coded | |
| 1951–52 | Embossed white serial on green plate with border line; "19 COLORADO 51" at bottom | "COLORFUL" centered at top | 1-123456 10-12345 | County-coded | Revalidated for 1952 with yellow tabs, due to metal conservation for the Korean War. |
| 1953 | Embossed green serial on yellow plate with border line; "19 COLORADO 53" at bottom | "COLORFUL" centered at top | 1-123456 10-12345 | County-coded | |
| 1954 | Embossed white serial on black plate with border line; "19 COLORADO 54" at bottom | "COLORFUL" centered at top | 1-1234 A1-1234 1A-1234 10-1234 A10-123 10A-123 | County-coded | |
| 1955 | Embossed black serial on white plate with border line; "COLORADO" at bottom, slightly offset to right; "55" at top right | "Colorful" at top, slightly offset to right | A/1 1234 A/10 1234 | County-coded | |
| 1956 | Embossed white serial on black plate with border line; "19 COLORADO 56" at bottom | none | A:1234 | A:1 to Z:9999 | Issued in Denver County. |
| 1956 | Embossed white serial on black plate with border line; "19 COLORADO 56" at bottom | none | A/10 1234 | County-coded | Issued in Arapahoe, Jefferson and Adams Counties. |
| 1956 | Embossed white serial on black plate with border line; "19 COLORADO 56" at bottom | none | 2:12345 13:1234 | County-coded | Issued in all other counties. |
| 1957 | Embossed black serial on orange plate with border line; "19 COLORADO 57" at bottom | none | 123-456 | 1001 to approximately 203-000 | Issued in Denver County. |
| 1957 | Embossed black serial on orange plate with border line; "19 COLORADO 57" at bottom | none | A/10 1234 | County-coded | Issued in Arapahoe, Jefferson, Adams, Logan and Morgan Counties. |
| 1957 | Embossed black serial on orange plate with border line; "19 COLORADO 57" at bottom | none | 2-12345 14-1234 | County-coded | Issued in all other counties. |
| 1958 | Embossed green serial on pale green plate with border line; embossed skier graphic at right; "COLORADO 58" at bottom, offset to right | "Colorful" centered at top | A/B 123 | A/A 1 to approximately N/R 999 | Issued in Denver County. |
| 1958 | Embossed green serial on pale green plate with border line; embossed skier graphic at right; "COLORADO 58" at bottom, offset to right | "Colorful" centered at top | 2 123 2/A 123 A/2 123 1/0 123 10/A 123 A/10 123 | County-coded | Issued in all other counties. |
| 1959 | Embossed white serial on green plate with border line; "19 COLORADO 59" at bottom | "Colorful" centered at top | AB-1234 | County-coded | Letters I, O and Q not used in serials; this practice continued until the early 1990s. |
| 1960–61 | Embossed green serial on white plate with border line; mountain range graphic at top; "19 COLORADO 60" at bottom | none | AB-1234 | County-coded | Revalidated for 1961 with stickers. |
| 1962 | Embossed white serial on green plate with border line; mountain range graphic at top; "19 COLORADO 62" at bottom | none | AB-1234 | County-coded | |
| 1963 | Embossed green serial on white plate with border line; mountain range graphic at bottom; "19 COLORADO 63" at top | none | AB-1234 | County-coded | |
| 1964 | As 1962 base, but with "19 COLORADO 64" at bottom | none | AB-1234 | County-coded | |
| 1965 | As 1963 base, but with "19 COLORADO 65" at top | none | AB-1234 | County-coded | |
| 1966 | As 1962 base, but with "19 COLORADO 66" at bottom | none | AB-1234 | County-coded | |
| 1967 | As 1963 base, but with "19 COLORADO 67" at top | none | AB-1234 | County-coded | |
| 1968 | As 1962 base, but with "19 COLORADO 68" at bottom | none | AB-1234 | County-coded | |
| 1969 | As 1963 base, but with "19 COLORADO 69" at top | none | AB-1234 | County-coded | |
| 1970 | As 1962 base, but with "19 COLORADO 70" at bottom | none | AB-1234 | County-coded | |
| 1971 | As 1963 base, but reflective, and with "19 COLORADO 71" at top | none | AB-1234 | County-coded | |
| 1972 | Debossed white serial on reflective green plate with border line; mountain range graphic at top; "19 COLORADO 72" at bottom | none | AB-1234 | County-coded | |
| 1973 | Embossed green serial on reflective white plate with border line; "19 COLORADO 73" at bottom | "Colorful" centered at top | AB-1234 | County-coded | |
| 1974 | Debossed white serial on reflective green plate with border line; mountain range graphic above serial; "19 COLORADO 74" at bottom | "Colorful" centered at top | AB-1234 | County-coded | |

### 1975 to present

| Dates issued | Design | Slogan | Serial format | Serials issued | Notes |
| 1975–76 | Embossed red on reflective white and blue graphic | Centennial | AB-1234 | County-coded | Commemorated Colorado's 100 years of statehood. Awarded "Plate of the Year" for best new license plate of 1975 by the Automobile License Plate Collectors Association, the first and, to date, only time Colorado has been so honored. |
| 1976 | Embossed red on reflective white | Centennial | AB-1234 | County-coded | Issued at end of Centennial graphic supply. |
| 1977–81 | Embossed white on reflective green; mountains at top | none | AB-1234 | County-coded | Letters I and O added to serials following the introduction of the ABC1234 format. With the addition of the letter O, the die for the digit '0' was changed for better differentiation. |
| 1982 – June 1992 | Embossed white on reflective green; mountains at top | none | ABC-123 | County-coded | Letters I and O added to serials following the introduction of the ABC1234 format. With the addition of the letter O, the die for the digit '0' was changed for better differentiation. |
| July 1992 – December 1999 | Embossed white on reflective green; mountains at top | none | ABC1234 | County-coded | Letters I and O added to serials following the introduction of the ABC1234 format. With the addition of the letter O, the die for the digit '0' was changed for better differentiation. |
| January 2000 – mid 2015 | Embossed dark green on reflective graphic plate with white and grey mountains against dark green background | none | 123-ABC | 001-AAA to 999-ZZZ (see right) | Letter Q not used in serials until early 2013, when all serials containing at least one of this letter were issued in alphabetical order following 999-ZZZ (beginning with 001-AAQ and ending with 999-ZZQ). |
| mid 2015 – mid 2018 | Embossed dark green on reflective graphic plate with white and grey mountains against dark green background | none | ABC-123 | Unused 1982–92 serials | Letter Q added in each position, followed by the letter O. QAA-001 to QZZ-999 issued first, followed by subsequent positions. |
| mid 2015 – mid 2018 | Embossed dark green on reflective graphic plate with white and grey mountains against dark green background | none | ABC-123 | Reissued 1982–92 serials | RAA-001 to RDP-999 issued alongside the Q series. Subsequent reissues beginning with A, B, C and D followed after O was added. |
| mid 2018 – present | Embossed dark green on reflective graphic plate with white and grey mountains against dark green background | none | ABC-D12 | AAA-A00 to EIX-Q45 (as of July 2, 2024) | Manufactured, but not issued, alphabetically. The most progressive numbers are often found on low-volume special plates, as they are typically issued after being manufactured rather than kept in stock. |

## County coding

Colorado introduced numeric county codes on its passenger and motorcycle license plates in 1932, with the order of the codes based on the populations of each of the state's 63 counties at the time. These codes were used through 1958 (except in Denver, which last used code 1 in 1955).
Two-letter codes replaced the numeric codes in 1959, with blocks assigned to each county in the same order. For each code, serials ran to 9999 on passenger plates, and to 999 on motorcycle plates. The move to multi-year plates in the mid-1970s resulted in several counties exhausting their blocks and being assigned new ones.
In 1982, three-letter codes were introduced on passenger plates. AAA through DZZ were assigned to Denver, and GAA through TZZ to the next five most populous counties (Jefferson, El Paso, Boulder, Arapahoe and Adams); blocks of codes in the 'E', 'F', 'U', 'V' and 'W' series were then assigned to the remaining counties in roughly alphabetical order. For each code, serials ran from 001 to 999. Again, several counties exhausted their blocks and were assigned new ones, with Douglas and Elbert borrowing blocks of 'D' series codes from Denver's assignment. From July 1992, serials for each code ran from 1000 to 9999, and the previously unused letters I and O were added. Motorcycle plates continued to use two-letter codes (some of which were reassigned to other counties), with revised formats featuring three and later four digits between the letters (e.g. A123A and A1234A in Denver).
The table below reflects the two- and three-letter codes that were actually issued on passenger plates, rather than what was assigned.
| County | Numeric code, 1932–58 | Two-letter codes, 1959–81 | Three-letter codes, 1982–99 |
| Denver | 1 | AA–CV | AAA–BMJ |
| Pueblo | 2 | GP–HD | VEZ–VPA |
| Weld | 3 | HY–JM | WAA–WME |
| El Paso | 4 | JX–LL, FR–FV | KAA–LGR |
| Las Animas | 5 | LM–LN | UAA–UAV |
| Larimer | 6 | LU–MK, FX–FY | FHA–FXT |
| Boulder | 7 | ML–NF, FH–FP | MAA–MSZ |
| Mesa | 8 | NG–NT | UEJ–ULV |
| Otero | 9 | PA–PC | UXS–UYW |
| Arapahoe | 10 | PH–RP, FA–FG | PAA–RHD |
| Jefferson | 11 | RS–TD, HG–HW | GAA–HKU |
| Adams | 12 | TE–UF, GA–GG | SAA–SZF |
| Logan | 13 | UG–UJ | UCB–UDE |
| Fremont | 14 | UP–UT | EPV–ESU |
| Morgan | 15 | UW–UY | UVA–UWJ |
| Huerfano | 16 | VE | EZF–EZU |
| Prowers | 17 | VG–VH | VDN–VEJ |
| Delta | 18 | VL–VN | EFH–EGZ |
| Yuma | 19 | VS–VT | WTL–WTY |
| La Plata | 20 | VV–VY | FDF–FFL |
| Montrose | 21 | WB–WD | USM–UUD |
| Baca | 22 | WG | EBE–EBK |
| Rio Grande | 23 | WJ–WK | VVW–VWS |
| Garfield | 24 | WM–WR | ETW–EWB |
| Conejos | 25 | WS | EDV–EED |
| Kit Carson | 26 | WU–WV | WUZ–WVJ |
| Washington | 27 | WW | WST–WTA |
| Routt | 28 | WZ–XA | VXA–VXY |
| Bent | 29 | XC | EBX–ECF |
| Alamosa | 30 | XE–XF | EAA–EAT |
| Chaffee | 31 | XH–XJ | FAM–FBN |
| Montezuma | 32 | XL–XM | UPY–USE |
| Lincoln | 33 | XP | UBL–UBU |
| Elbert | 34 | XS | EPB–EPU, DKA–DKC |
| Saguache | 35 | XU | VYP–VYX |
| Crowley | 36 | XW | EET–EEZ |
| Phillips | 37 | XY | VBB–VBG |
| Costilla | 38 | YA | EEL–EES |
| Sedgwick | 39 | YB | WNL–WNP |
| Gunnison | 40 | YD–YE | EYC–EYU |
| Lake | 41 | YF–YG | FCD–FCV |
| Moffat | 42 | YJ–YK | UNS–UPG |
| Teller | 43 | YL | WRN–WSS, VZS–VZV |
| Eagle | 44 | YM–YN, ZT | EMB–EPA |
| Kiowa | 45 | YP | WUS–WUU |
| Cheyenne | 46 | YR | ECM–ECR |
| Douglas | 47 | YS–YT, GM | EHW–EMA, FGJ–FGZ, VZZ, WVW–WWF, DAA–DAU |
| Archuleta | 48 | YU | FAA–FAK |
| Rio Blanco | 49 | YV | VVD–VVP |
| San Miguel | 50 | YX | VZF–VZM |
| Clear Creek | 51 | YY–YZ | ECU–EDP |
| Custer | 52 | ZA | EFB–EFE |
| Grand | 53 | ZB–ZC | EWZ–EXU |
| Park | 54 | ZD | VAH–VBA, EWW–EWY, EZX–EZZ, VZX–VZY, WWG–WWJ |
| San Juan | 55 | ZE | VZB–VZC |
| Ouray | 56 | ZF | VAA–VAE |
| Pitkin | 57 | ZG, ZP | VBS–VCY |
| Dolores | 58 | ZH | EHR–EHT |
| Jackson | 59 | ZJ | FGC–FGE |
| Gilpin | 60 | ZK | EWN–EWV |
| Summit | 61 | ZL, ZR | WNZ–WRJ |
| Mineral | 62 | ZM | UNM–UNN |
| Hinsdale | 63 | ZN | EZD–EZE |

## Non-passenger plates

When the current passenger baseplate was introduced in 2000, the state also simplified its non-passenger and specialty plates, issuing them in the same serial format (originally 123-ABC) and with similar graphic elements.

### 2000 to present

The serials on non-passenger types are embossed unless noted.
| Type | Notes |
| Apportioned Permanent Trailer | Red background; stacked "PRM" prefix. |
| Apportioned Tractor | Red background; stacked "ATR" prefix. |
| Apportioned Trailer | Red background; stacked "ATL" prefix. |
| Apportioned Truck | Red background; stacked "ATK" prefix. |
| Colorado State Patrol | Black background; surface-printed serials in a format of CSP 123. |
| Commercial Fleet | Red background; stacked "FLT" prefix. |
| Dealer | Blue background; stacked "DLR" prefix. |
| Dealer—Demo | Blue background; stacked "DMO" prefix. |
| Dealer—In Transit | Blue background; stacked "INT" prefix. |
| Depot | Blue background; stacked "DPT" prefix. |
| Disabled Person | Green background; wheelchair in center; surface-printed serials. |
| Farm Tractor | Green background; stacked "FTR" prefix. Personalized variant also issued, with surface-printed serial. |
| Farm Truck | Green background; stacked "FTK" prefix. Personalized variant also issued, with surface-printed serial. |
| Government | Green background; stacked "GVT" prefix. |
| Gross Vehicle Weight Tractor | Red background; stacked "TVW" prefix. |
| Gross Vehicle Weight Truck | Red background; stacked "GVW" prefix. Personalized variant also issued, with surface-printed serial. |
| Manufacturer | Blue background; stacked "MFG" prefix. |
| Recreational Truck | Green background; stacked "RTK" prefix. |
| Special Mobile Machine | Green background; stacked "SMM" prefix. |
| Special Mobile Machine—Exempt | Green background; stacked "SMX" prefix; motorcycle-sized plate. |
| Trailer | Green background; stacked "TRL" prefix. |
| Transporter | Blue background; stacked "TPR" prefix. |
| Truck | Green background; stacked "TRK" prefix. |

### Prior to 2000

| Image | Type | Design | Serial format | Notes |
| | Disabled Person | Reflective white on green. | 12345 | |
| | Fleet | Reflective gold on blue. | 1234IA5 | |

## Specialty plates
### 2000 to present

Specialty types have surface-printed serials. Some types are available in personalized format, in which case the type logo, which normally appears at the center of the plate between the numbers and the letters of the serial, is absent.
| Type | Notes |
| 150th Statehood Anniversary (13+) | Available August 01, 2023 through August 01, 2027. Plate selected by popular vote. |
| 150th Statehood Anniversary (Under 13) | Available August 01, 2023 through August 01, 2027. Plate selected by popular vote. |
| 10th Mountain Division | |
| 4th Infantry Division | Motorcycle variant also issued. |
| "Adopt a Greyhound" | |
| "Adopt a Shelter Pet" | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| "Advancing Clean Energy" | Discontinued. See electric vehicle and Go Carbon Neutral plates. |
| Air Force Cross | Motorcycle variant also issued. |
| ALS | |
| Amateur Radio—Commercial | Stacked "CCL" prefix. Serial is callsign. |
| Amateur Radio—Passenger | Stacked "SCL" prefix. Serial is callsign. |
| American Indian Scholars | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Aviation | |
| Born To Be Wild | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Boy Scouts | |
| Broncos Country | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Bronze Star | Motorcycle variant also issued. |
| Bronze Star of Valor | Motorcycle variant also issued. |
| Child Loss Awareness | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Childhood Cancer Awareness | |
| Civil Air Patrol | |
| Collector Truck/Tractor | Personalized variant also issued, with no logo at center. |
| Collector Vehicle | Personalized variant also issued, with no logo at center. |
| Colorado Avalanche Country | |
| Colorado College | Personalized variant also issued, with no logo at center. |
| Colorado Mesa University | Personalized variant also issued, with no logo at center. |
| Colorado School of Mines | Personalized variant also issued, with no logo at center. |
| Colorado State University | Personalized variant also issued, with no logo at center. |
| Colorado Rockies Country | |
| Colorado State University Pueblo | Personalized variant also issued, with no logo at center. |
| "Committed to a Cure" | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Denver Firefighter | |
| Denver Nuggets Country | |
| Designer | Serial is embossed. Personalized variant also issued. |
| Designer—Truck | Stacked "TRK" prefix; serial is embossed. |
| Disabled Veteran | Motorcycle variant also issued. |
| Disabled Veteran Handicapped | Motorcycle variant also issued. |
| Distinguished Flying Cross | Motorcycle variant also issued. |
| Distinguished Service Cross | Motorcycle variant also issued. |
| Donate Life |
| "Elks Care, Elks Share" | |
| Fallen Airman | Motorcycle variant also issued. |
| Fallen Guardsman | Motorcycle variant also issued. |
| Fallen Marine | Motorcycle variant also issued. |
| Fallen Sailor | Motorcycle variant also issued. |
| Fallen Soldier | Motorcycle variant also issued. |
| Firefighter | Motorcycle variant also issued. |
| Fort Lewis College | Personalized variant also issued, with no logo at center. |
| Go Carbon Neutral | |
| "Growing Your Future" | Personalized variant also issued, with no logo at center. |
| Honorably Discharged Veteran | Plate is screen printed. Motorcycle variant also issued. |
| Honorary Consul | |
| Horseless Carriage | |
| Italian American | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Kids1st | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Korean War Veteran | Motorcycle variant also issued. |
| Medal of Honor | Motorcycle variant also issued. |
| Member U.S. Congress | |
| Member U.S. Senate | |
| Mesa Verde National Park | |
| Motorcycle Collector | Issued only on motorcycles. Personalized variant also issued, with no logo at center. |
| MSU Denver | Personalized variant also issued, with no logo at center. |
| National Guard | |
| Navy Cross | |
| NORAD | Commemorated NORAD's 50th anniversary. Issued from July 1, 2008 through January 1, 2010. |
| Pearl Harbor Survivor | |
| Pioneer | |
| Prisoner of War | |
| Purple Heart | |
| Regis University | Personalized variant also issued, with no logo at center. |
| "Respect Life" | Plate was made to recognize the survivors and victims of the Columbine High School massacre. |
| Respects Wildlife | |
| Passenger—Personalized | |
| Share the Road | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Silver Star | |
| Ski Country U.S.A | |
| Special Olympics | |
| State Representative | R-000 serial format. |
| State Senator | S-00 serial format. |
| Stegosaurus | |
| Street Rod | Personalized variant also issued. |
| Submarine Service | |
| Support Education | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| Support the 10th Mountain Division | |
| Support the Horse | |
| Support the Troops | Personalized, motorcycle, and personalized motorcycle variants also issued; neither personalized variant has the logo at the center. |
| University of Colorado | Personalized variant also issued, with no logo at center. |
| University of Denver | Personalized variant also issued, with no logo at center. |
| University of Northern Colorado | Personalized variant also issued, with no logo at center. |
| U.S. Air Force | Available only to veterans. |
| U.S. Air Force 50th Anniversary | Available to general public. |
| U.S. Air Force Academy | Personalized variant also issued, with no logo at center. |
| U.S. Army | |
| U.S. Army Special Forces | |
| U.S. Coast Guard | |
| U.S. Marine Corps | |
| U.S. Navy | |
| Vietnam Veteran | |
| Western Colorado University | Personalized variant also issued, with no logo at center. |
| World War II Veteran |

### Prior to 2000

| Type | Serial format | Notes |
| 10th Mountain Division | 12345E | |
| Collector Truck/Tractor | 12Z34 | |
| Collector Vehicle | 12N34 12R34 | |
| Denim | Coded by county of issuance: A1B1234 | Successor to Designer base; issued from July 1992 to December 1999. Still currently revalidated. |
| Designer | Coded by county of issuance: A1B-123 | Issued from January 1989 to June 1992. Still currently revalidated. |
| Firefighter | 12345F | |
| Honorably Discharged Veteran | 12345B | |
| Pioneers | 12345D | |
| Purple Heart | 012345 | |
| United States Air Force | 12345C | |

## Renewal date tags

Colorado implemented a monthly staggered registration system in 1978, with separate stickers for the month and year of the expiration date (placed at the bottom left and bottom right of the plate respectively). As of 2024, month stickers are blue on white, while year stickers rotate through a four-color system introduced in 2002, as follows: