Gray Oak Cabinets. Black is a neutral, so it is very versatile. Other options are Tradewind or Silver Strand are pretty options also.
Painted Wood Cabinets - From Old Oak to Gorgeous Gray! New countertops with tile and shelving for dishes, also add a nice touch. The stained grey wash kitchen cabinets are meant to keep the natural look of the cabinet itself in a more attractive way, and this one is a great option.
I've seen a color like Worldly Gray or Repose Gray used in a kitchen with oak cabinets and black granite and it looked amazing.
Be mindful of the undertones when considering beige walls with oak cabinets or furniture.
An alternative to preserving the look of the oak is to take the plunge and paint your kitchen cabinets in an appealing shade. Benjamin Moore Collingwood is a massive crowd-pleaser with a robust cool undertone that makes warm wood tones simply sing, especially oak cabinets with red tones. Gray is especially appealing if your oak cabinets have any gray-tinted grains.