No dark floors.

I agree, dark floors are a PITA to clean (do you want to dust your floors every single day for the rest of the time you live there or have it look dirty?) plus a medium brown or slightly more blonde is much more timeless.

I think pics would be helpful.

"dark" is relative. as is "light". my mind picture may be different from yours

on a very general note-as mahogany tends to be reddish(again, pics would be helpful)-I'd avoid any prominent yellow tones in other wood.

Most staines work together, but very red woods and yellow woods somehow don't like each other too much..these are my observations.

okay..can you attach the pic of your mahogany, and the flooring(or link to it) you're thinking to install?

style can influence choice of colors too

maybe we'd be able to recommend a stain, or to say" paint would look better"