What color results from mixing a primary color and its complementary color?

When a primary color is mixed with its complementary color, the result is a neutral tone. Complementary colors are located opposite each other on the color wheel, and when combined, they tend to cancel each other out to create a gray or brownish hue. This process is known as color mixing, where the brightness and saturation of the colors balance each other.

In the context of hair coloring, achieving neutral tones can be desirable for creating balanced shades that do not lean too heavily toward any particular hue, providing a more natural look. Unlike bright or vibrant tones, which emphasize saturation and intensity, neutral tones offer a more muted appearance, making them versatile for various color corrections and blends in hair coloring.