First Aid Kit Colors: Standards, Variations, and What Matters
There is no universal mandatory color for first aid kits. Color conventions exist but vary by region, industry, and standard.
Common Color Codes
| Color | Typical Use / Standard | Region / Context |
|---|
| Green with White Cross | ISO 7010 / EU standard first aid sign | Europe, international, many workplaces |
| Red with White Cross | Traditional / Geneva Convention emblem | Military, Red Cross/Red Crescent, some countries |
| White with Green Cross | Alternative first aid symbol | Some EU, healthcare settings |
| Orange / High-Vis | Construction, marine, outdoor, vehicle kits | Visibility in low light / emergencies |
| Blue | Marine / aviation / food industry (contrast) | Ships, aircraft, commercial kitchens |
| Yellow | Industrial, chemical, radiation areas | Hazmat, nuclear, high-visibility |
Regulatory Requirements (What's Actually Mandated)
- OSHA (US): Requires "adequate" supplies, "readily accessible" — no color specified.
- ANSI/ISEA Z308.1: Minimum fill standards — no color mandate.
- EU Directive 89/654: First aid signage (green/white) — not kit color.
- Transport Canada / FAA: Aviation kits often orange/red for visibility.
- Maritime (SOLAS): Orange with reflective tape.
What Actually Matters
- Visibility & recognition in your environment.
- Standardized labeling (white cross on green/red background per ISO 7010).
- Content compliance with relevant standard (ANSI Class A/B, OSHA, industry-specific).
- Accessibility: Unlocked, known location, mounted at reachable height.
- Maintenance: Monthly inspection, restock log, expired item replacement.
Best Practice Recommendations
- Workplace: Green case + white cross (ISO alignment).
- Vehicle: Red or orange (high visibility, tradition).
- Home: Any color—label clearly "FIRST AID".
- Outdoor/remote: Bright orange/yellow + waterproof.
- Multi-kit sites: Color-code by type (trauma=red, burn=blue, eye=green).
Myth buster: "First aid kits must be green/white." False. They must be identifiable, accessible, and stocked. Color is a local choice.
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