What are the countries that used colon as their currency?

The countries that have used the colon as their currency include Costa Rica, El Salvador, and Sweden. The Costa Rican colón is still in use, while El Salvador adopted the US dollar as its official currency in 2001. Sweden transitioned from the Swedish colón to the Swedish krona in the 19th century. Additionally, the term "colon" has been used historically in other contexts, but these three nations are the most notable.