* Black: A very common hair color, ranging from dark brown to jet black.
* Brown: The most common hair color worldwide, with many shades from light brown to dark brown.
* Blonde: Light yellow to golden shades.
* Red: A relatively rare hair color, ranging from strawberry blonde to deep auburn.
* Gray: Loss of pigment results in gray hair.
* White: Complete loss of pigment results in white hair.
Hair can also be dyed in various colors, including blues, greens, pinks, purples, and so on.