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To produce hair color that looks natural, how many primary colors must be present?

  1. One

  2. Three

  3. Two

  4. Zero

The correct answer is: Three

To achieve a natural-looking hair color, it's essential to utilize three primary colors. The primary colors—red, blue, and yellow—combine in various ways to create a wide spectrum of tones and shades. In hair coloring, blending these primary colors allows for the creation of nuanced colors that can mimic the depth and complexity observed in natural hair. When a single primary color is used, the result can often be flat or monochromatic, lacking the dimension that natural hair exhibits. Utilizing two primary colors may offer some variety but still doesn't capture the full complexity that employing all three provides. Thus, the inclusion of all three primary colors is key to producing realistic, natural-looking hair color.