Mac cosmetics foundation?

Good evening dear ones…

I have a question which is as follows:

About a few years ago I bought a foundation from Mac Cosmetics in the color NW20, which suited me perfectly at the time. Now I want to get another foundation but I'm a bit unsure whether I should get the same color because my skin used to be very oily and is now very dry and I also have a slight reddish tint on my cheeks. I would just go to a store but unfortunately I don't have the time. That's why I asked my question here, maybe someone here knows something? 🤗

Thank you for your answers and I wish you all a Happy New Year