GREY - Gray is a cool, neutral, and balanced color. The color gray is an emotionless, moody color that is typically associated with meanings of dull, dirty, and dingy, as well as formal, conservative, and sophisticated. The color gray is a timeless and practical color that is often associated with loss or depression
BROWN - Brown, the color of earth, wood, stone, wholesomeness, reliability, elegance, security, healing, home, grounding, foundations, stability, warmth, and honesty, is a natural, neutral color that is typically associated with the seasons of fall and winter. The color brown is a warm color that stimulates the appetite.