Add contrast and texture in a moody green living room by introducing warm wood furniture, woven fibers like rattan or jute, plants, and upholstered pieces with visible grain. These elements break up rich walls with natural tones and tactile interest. Incorporate layered textiles such as rugs and window treatments to soften the look. Contrast and texture bring depth and warmth to moody spaces, making them feel inviting rather than heavy or flat.