The best blue-green paint colors combine the calming qualities of blue with the grounding energy of green. It’s a pairing that works almost anywhere, from walls and cabinets to trimwork and ceilings.

“The color blue can evoke a sense of calm and serenity,” says interior designer Meghan Jay of Meghan Jay Design. “It has the power to ... Because it’s so soft, it’s easy to pair with patterns or a ...