NFPA 704 Standard Hazard Diamond
- Health Hazard Blue#0000ff
- Flammability Hazard Red#ff0000
- Instability Hazard Yellow#ffff00
- Special/Specific Hazard White#ffffff
NFPA 704 Standard Hazard Diamond has 4 colors spread across many hues. The lightest color is Special/Specific Hazard White (#FFFFFF), the darkest Health Hazard Blue (#0000FF). Its strongest contrast pair is #0000FF on #FFFFFF (8.5:1, WCAG AAA).
Created at 11/13/2026 20:59
The palette consists of Dark, Light colors. Accent colors Health Hazard Blue #0000ff and Instability Hazard Yellow #ffff00. Palette has Cool, Warm, Neutral colors temperature.
By lightness, this palette runs from #0000FF (darkest) to #FFFFFF (lightest). The lightness range is moderate.
Overall saturation feels vivid (higher chroma) — 75% of colors are vivid.
Some colors sit roughly opposite each other on the color wheel, giving the palette complementary contrast.
Overall temperature among swatches leans warm (2 of 4).
HEX codes (sorted): #0000FF, #FF0000, #FFFF00, #FFFFFF
Palette NFPA 704 Standard Hazard Diamond combines 4 color codes:
HEX: #0000ff, RGB: (0, 0, 255); HEX: #ff0000, RGB: (255, 0, 0); HEX: #ffff00, RGB: (255, 255, 0)
HEX: #ffffff, RGB: (255, 255, 255)
Color scheme was created by coolor
Color codes in palette
NFPA 704 Standard Hazard Diamond color codes HEX, RGB information in table
Color Palette Contrast
1 color pairs have low contrast and need improvement which may impact readability.
| Text Color | Background Color | Contrast Ratio |
|---|---|---|
#ffff00 | #ffffff | 1.07 |
Image palette NFPA 704 Standard Hazard Diamond png
Export Palette
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