Wickham Gray is one of those deceptive greys — it reads as a soft, pale neutral but carries a quiet green undertone that does all the heavy lifting. The trick is to work *with* that undertone, not against it.
Start with the woodwork. Use a clean warm white rather than a brilliant white — brilliant white flattens Wickham Gray and kills its subtlety. Farrow & Ball All White (LRV 92) is the right call: bright and clean without the blue-white coldness that makes the wall look flat. Avoid creams here, mind — anything too yellow will pull the green forward and make it look slightly tired.
For the rest of the palette, lean cool. Wickham Gray loves company that shares its restraint. Pair it with pale stone tones and soft off-blacks so the green provides the only warmth in the room. Paint & Paper Library Blue Blood (LRV 16.4) is a cracking choice for a deeper accent — a moody, cool near-black that anchors the scheme on a door, panelling or even joinery without clashing.
Where it really sings is beneath a darker cool green. Run Wickham Gray on the walls and bring something richer onto panelling or a door below — the two greens sit in the same family and give you depth without contrast that jars.
If you want a bit of life, Wickham Gray takes a considered accent well. Mylands Beehive Place No.140 (LRV 58.6) brings a soft, sympathetic warmth for a connecting space, while Dulux Fuchsia Falls 2 (LRV 29.8) is the bolder, more unexpected move — a pop on a single piece of furniture or a cushion run, not whole walls.
Practical advice: Wickham Gray shifts noticeably with light because that green is shy. Test it on the actual wall, both daytime and lamplight, before you commit. In a north-facing room the green can go slightly cold and grey, so make sure you're happy with how it lands before you order the lot.