Version July 2025
| Cause | Color |
| Antiperspirants | Yellow |
| Sunless tanning agents | Orange/brown |
| Dyes or dusts | Any color of clothing or dust |
| Infection | |
| Serratia marcescens | Red-pink |
| Pseudomonas | Green-black |
| Corynebacterium | Black-brown |
| Black piedra | Black |
| Malassezia furfur | Blue |
| Bacillus species | Blue |
