Take any set of 3 of these colors and each room would be amazing. A palette for the whole house!
Great grays! All Benjamin Moore: 1. Metro Gray 2. Stormy Monday 3. Silver Dollar 4. Silver Fox 5. Pigeon Gray 6. Silver Chain 7. Smoke Embers 8. Stonington Gray 9. Nimbus 10. Revere Pewter If these are a tad too dark try Titanium by Benjamin Moore