Color combination refers to the process of mixing different colors to create new shades. This can be achieved through additive color mixing, which involves combining different colored lights, and subtractive color mixing, which involves mixing pigments or dyes. Additive mixing, as seen in light sources, results in white light when all colors are combined. Subtractive mixing, common in paints and dyes, results in black when all colors are mixed together. Understanding color theory and the properties of pigments is essential in various fields, including art, design, and technology.