| SPT | Basic Skin Color | Response to Sun Exposure |
|---|
| I | Pale white | Burn easily, do not tan |
| II | White | Burn easily, tan with difficulty |
| III | White | May burn initially but tan easily |
| IV | Light brown/olive | Hardly burn, tan easily |
| V | Brown | Usually do not burn, tan easily |
| VI | Black | Do not burn, become darker |