Monopoly Color Groups: 8 Property Colors

The standard Monopoly board has 8 color groups (22 properties total):

1. Dark Purple / Brown — Mediterranean Ave, Baltic Ave (2)
2. Light Blue — Oriental Ave, Vermont Ave, Connecticut Ave (3)
3. Pink / Magenta — St. Charles Pl, States Ave, Virginia Ave (3)
4. Orange — St. James Pl, Tennessee Ave, New York Ave (3)
5. Red — Kentucky Ave, Indiana Ave, Illinois Ave (3)
6. Yellow — Atlantic Ave, Ventnor Ave, Marvin Gardens (3)
7. Green — Pacific Ave, North Carolina Ave, Pennsylvania Ave (3)
8. Dark Blue — Park Place, Boardwalk (2)

Plus: 4 Railroads (black), 2 Utilities (white), 4 Corners (Go, Jail, Free Parking, Go to Jail), Tax squares.

Note: Early sets (1935) used Dark Purple for the first group; modern US sets use Brown. UK edition uses different street names, same 8 colors.