Originally Posted by hkstroud
Well they don't look yellow from here. They look slightly brown. The wood is oak, the finish is probably lacquer, the color is probably some thing like "Colonial Oak" or "Colonial Maple" using Minwax names. The name of the color means nothing, each manufacture names it's colors differently. The finish is most likely a sprayed on tinted lacquer.
If the finish is indeed lacquer the most efficient removal would be with lacquer thinner. The cabinets should be taken down and taken outside for this unless adequate ventilation can be set up. To test for type of finish wipe a small inconspicuous spot with lacquer thinner.