While the standard does not specifically mandate colors to be used on accident prevention tags, the following color scheme is recommended by OSHA for meeting the requirements of this section:
- “DANGER”—Red, or predominantly red, with lettering or symbols in a contrasting color.
- “CAUTION”—Yellow, or predominantly yellow, with lettering or symbols in a contrasting color.
- “WARNING”—Orange, or predominantly orange, with lettering or symbols in a contrasting color.
- “BIOLOGICAL HAZARD”—Fluorescent orange or orange-red, or predominantly so, with lettering or symbols in a contrasting color.