数值复古色

Quick answer：

The term '数值复古色' refers to numeric values that represent a retro or vintage color scheme. In design and graphics, vintage colors are hues that evoke a sense of nostalgia, often associated with historical periods. These colors can be specified using numeric codes like RGB, HSV, or CMYK, which are used to create a specific color on digital devices or in print. For example, a retro red might be specified as an RGB value of 139, 0, 0, which corresponds to a deep red that is reminiscent of older shades.