Solid color duvet covers with coordinating sheets, shams, and pillowcases. In crisp, cool percale or silky cotton sateen, made from long-staple Egyptian cotton, plain or with hemstitching, embroidery, or scalloped edges. Also find white and ivory duvet covers with contrasting-color hemstitching, chain stitching, or embellishment. For all solid colors, look at Home Treasures’ Royal Sateen or Perla, Matouk’s Luca, Sferra’s Celeste or Fiona, Stamattina’s Camilla. The whites and neutrals will be easy to spot!