How can the use of black, white, and gray colors be balanced effectively in a design?

To balance the use of black, white, and gray colors effectively in a design, consider using the 60-30-10 rule. This means using one color as the dominant shade (60), another as the secondary shade (30), and the third as an accent color (10). This creates a visually appealing and harmonious balance in the overall design. Additionally, pay attention to contrast, texture, and spacing to enhance the impact of each color in the design.