Your skin's undertone is the color underneath the surface. It is possible to have the same surface skin tone as someone, but different colored undertones.
[header] How to choose the color of your prom dress according to your skin tone [title] Analyse your skin's surface tone and undertone. [step] Your skin tone is the surface color of your skin and is usually the word you use to describe your skin color (ex. Ivory, light, medium, dark).