What color is typically seen under a Wood's lamp for hyperpigmentation?

Under a Wood's lamp, which is used for various dermatological assessments, hyperpigmentation typically appears as a darker shade than the surrounding skin. This is primarily due to an increase in melanin production in certain areas. When examining skin under the Woods lamp, areas with hyperpigmentation often reflect the light differently, making them appear brown or darker compared to the unaffected skin.

In contrast, the other colors observed under a Wood's lamp correspond to different skin conditions or issues. Blue is often associated with conditions like erythrasma or certain types of bacterial infections. Green can indicate the presence of certain fungal infections, while yellow may suggest a different issue altogether, such as porphyrins from acne or other skin concerns. Thus, brown is specifically linked to hyperpigmentation, marking it as the correct choice.