Long Acre No.102 from Mylands is a cool, composed green — handsome, but it can read clinical if you surround it with the wrong neutrals. The trick is to warm the things sitting next to it so the green stays honest rather than going cold and bluish.
Start with your woodwork. Reach for a softly warm off-white rather than a stark brilliant white. Farrow & Ball All White (LRV 92) is a clean, uncomplicated choice that keeps things bright without fighting the green — just be aware that the cooler and crisper your white, the bluer Long Acre will appear, so don't push past it into anything icy. If you want more warmth still, a chalky off-white with a hint of yellow underneath will soften the whole scheme.
For the secondary colour, Mylands Beehive Place No.140 (LRV 58.6) is a lovely partner — a lighter, gentler tone that lifts the green and gives the eye somewhere to rest. Use it on an adjacent wall, a ceiling, or in the next room along to keep the flow.
For drama, go deep. Paint & Paper Library Blue Blood (LRV 16.4) brings a moody, inky depth that anchors Long Acre beautifully on joinery, a feature wall or a cabinet. And if you want a daring accent — cushions, an inside-of-a-cupboard moment, a front door — Dulux Fuchsia Falls 2 (LRV 29.8) gives you a proper jolt of contrast against the cool green.
Now the materials, because this is where the colour really sings. Ground it with ebonised oak or slate underfoot or in furniture, and bring in polished nickel for taps, handles and lighting. Nickel keeps the cool register honest where brass would muddy it.
Practical tip: paint A4 samples of your chosen white and Beehive Place, tape them right up against Long Acre, and check them in the evening under artificial light. Cool greens shift more than most under a dodgy bulb — get the trim warm enough now and you'll never see clinical.