How do colors like white, black, gray, and brown impact design?

Achromatic colors like white, black, and gray, along with earth tones like brown, play significant roles in design. White signifies purity, and when combined with other hues can take on a new feel. Black is the most authoritative and can be used to create drama, and give the appearance of weight and depth. Gray represents neutrality and can be combined with other colors to create formal, dignified effects, or used in a way that exudes maturity. Brown is a grounding color which is also associated with nature.