In design and fashion, black and gold combinations are often used to convey luxury, elegance, and sophistication. The 'numerical values' in this context likely refers to the color codes or specific shades of black and gold that are paired together. For example, in the RGB color model, a black and gold combination might be represented by a dark shade of black (e.g., RGB(0,0,0)) and a metallic gold (e.g., RGB(255,215,0)). In the context of branding or product design, these numerical values help to standardize the color scheme across various applications.