Farrow & Ball 1. Charleston Gray 2. Lamp Room Gray 3. Ammonite 4. Purbeck Stone 5. Mole's Breath 6. Elephant's Breath 7. Manor House Gray 8. Skimming Stone 9. Hardwick White
Empty room with fireplace via "Interior Alchemy.tumblr.com"
John Lewis wallpaper
Really no not like yellow but this specific tone with the grey and the fact that it is only an accent colour could work...