Nature-inspired shades are the way to go with walls, according to Sherwin-Williams. Serene, calm blues reflect the hues of the sky and sea. Yellows, which vary from light citrus shades to mellow gold tones, will warm up any room. Yellow-based greens such as celery are quite different from the teals that were fashionable during the 1980s. Pinks are also popular, but they’re not bright shades. Soft rose tones prevail. The newest trend in neutrals is gray. Married with plum or green undertones, grays take on a heather hue. Treat ceilings and trim to a modern white, which incorporates subtle undertones that range from yellow to green to rose.