The Fitzpatrick scale is a numerical classification for human skin color.
It is a way to estimate the response of different types of skin to ultraviolet (UV) light.
The Fitzpatrick scale is a recognized tool for dermatological research into human skin pigmentation.
Type 0: Albino
Type I: Pale white skin, burns easily, does not tan
Type II: White skin, burns easily, tans with difficulty
Type III: White skin, may burn but tans easily
Type IV: Light brown/olive skin, hardly burns, tans easily
Type V: Brown skin, usually does not burn, tans easily
Type VI: Black skin, very unlikely to burn, becomes darker with UV radiation exposure
Type I (scores 0–6) always burns, never tans (palest; freckles).
Type II (scores 7–13) usually burns, tans minimally
Type III (scores 14–20) sometimes mild burn, tans uniformly
Type IV (scores 21–27) burns minimally, always tans well (moderate brown)
Type V (scores 28–34) very rarely burns, tans very easily (dark brown)
Type VI (scores 35–36) never burns (deeply pigmented dark brown to darkest brown)