* Azul verdoso: This literally means "blue-green" and is a good general term for most teal shades.
* Verde azulado: This literally means "greenish-blue" and is another good general term.
* Turquesa: While typically associated with a brighter, more vibrant teal, it can also be used for a more muted shade.
* Verde aguamarina: This means "aquamarine green" and is a good choice for a more bluish-green teal.
The best word will depend on the context and the specific shade of teal you're referring to.