Nitrile gloves are available in different colors and thicknesses suitable for light to heavy duty tasks and nitrile gloves give a lot of  protection against chemicals of most types.

Disposable black nitrile gloves are more expensive than latex and pvc alternatives but you pay for extra protection and to avoid the skin allergies that can be a problem for some users of latex gloves.

Blue nitrile gloves are also very popular and usually offer a similar specification to the black nitrile glove.
You can also find green nitrile and red nitrile gloves as well as purple, orange and yellow.
Using the different colors for different people or tasks can be useful to distinguish which should be used for which purpose.