Emerald is the deep green that earns its keep. Here Emerald Smoke leads — saturated enough to feel like a jewel, muted enough to sit quietly on a full wall. It is the anchor everything else leans on.
Around it I kept things soft. Sage Mist is a hazy green that bridges the bold and the calm, while Smoked Greige and Soft Linen open the scheme up and keep it from going heavy. These three do the breathing room work.
The trade-off with a green this rich is that it can feel flat on its own, so I added Aged Brass as the spark. A little warm metal in the lighting, hardware, or a frame catches the light and stops the emerald from reading cold. Lead with the green, keep the neutrals generous, and let the brass do the rest in small doses.