The Sherwin-Williams Co., Cleveland, and Martha Stewart Living Omnimedia Inc., New York, announced an agreement to market a new line of paints sold under the Martha Stewart Signature brand name. Sherwin-Williams recently began selling the Martha Stewart paint line, which includes 416 interior paint colors, in Sherwin-Williams stores in several regional markets, including Richmond, VA; Toledo, OH; northern Mississippi; and west Texas. The company said it plans to begin offering the line nationwide in the spring of next year. The marketing agreement marks the initial entry of Martha Stewart Living Omnimedia into the specialty paint distribution market.