Olivia Nienaber dipped a paintbrush into a can of Sherwin Williams’ Calypso blue last week, wiped off a few excess drips and carefully painted a straight, smooth line onto a white sheet of plywood.

While they aren’t talked about as often as comforters or duvets, quilts might be the most versatile blanket in your house. Since they’re lighter than comforters, the best quilts can be used year-round ...