| Hi visibility safety vests come in a variety of | | | | or lime green. |
| bright colors that are intended to stand out from | | | | Class 3 ANSI vests are for high speed, high |
| natural environmental hues. The color of a vest | | | | traffic areas. These are also required to be |
| depends upon the type of activity you will | | | | orange, yellow or green for enhanced daytime |
| perform. The American National Standards | | | | visibility. These vests also feature white or silver |
| Institute (ANSI) and Occupational Safety & Health | | | | reflective material for better visibility at night. LED |
| Administration (OSHA) require that certain | | | | or lighted vests are also available for increased |
| activities use certain types of vests, depending on | | | | nighttime visibility. |
| the potential hazards associated with that | | | | Yellow, orange, and lime green are truly the |
| particular activity. | | | | standard for traffic-related safety vests, but you |
| Class 1 vests are for environments with low | | | | will also find blue vests on accident or emergency |
| traffic and would appropriate for parking | | | | incident scenes. Blue vests are used to clearly |
| attendants. These vests are typically orange, | | | | differentiate medical personnel from other |
| yellow or lime green (sometimes referred to as | | | | emergency workers, such as fire and police |
| yellow-green), but can legally be any color you | | | | respondents. These vests are typically reflective |
| choose as they are not federally regulated. | | | | and are labeled with the type of medical |
| A Class 2 vest is worn by workers in high traffic | | | | responder, such as "EMT" or "triage director." The |
| areas with speeds below 25 miles per hour. These | | | | blue vests help to establish structure in an |
| vests are frequently worn by city traffic police | | | | otherwise chaotic scene and can save lives by |
| and crossing guards and must be orange, yellow | | | | clearly defining the roles of the attendants. |