In coolants, you have several choices. It is easier to compare them by choice of color.
It is also strongly advised not to mix the colors of antifreeze.
If you have green, put green. If you have pink, put pink. If you don't know what you have, buy a half gallon and then you will be able to replace it entirely.
The difference is often its high-temperature boiling point and its cold freezing point.
You have to be very careful because if you put antifreeze good for -10° C, and that your motocross sleeps in the winter in your shed. The cold could freeze the liquid and could break the motor head for example due to the expansion of the liquid in the gel.