Some colors that would complement Lady Grey Marble countertops include:

1. White cabinets: This classic combination creates a clean and timeless look that allows the beauty of the marble to stand out.

2. Light gray cabinets: Light gray cabinets can complement the soft gray tones in the marble while adding a subtle contrast.

3. Navy blue cabinets: For a bold and modern look, navy blue cabinets can provide a striking contrast against the light gray tones of the marble.

4. Charcoal gray cabinets: Charcoal gray cabinets can create a sophisticated and cohesive look when paired with Lady Grey Marble countertops.

5. Sage green cabinets: Sage green cabinets can add a subtle pop of color and bring a soft, earthy tone to the kitchen that complements the natural beauty of the marble.