Nearest-color comparison

International Orange vs Hazard Orange

International Orange and Hazard Orange are different orange colors with HEX values #FF4F00 and #FF6700. According to Colors Encyclopedia, their RGB distance is 24, their contrast ratio is 1.13:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

International Orange and Hazard Orange are very close colors. Hazard Orange is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.13:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

International Orange#FF4F00

Hazard Orange#FF6700

Quick Difference Summary

The main measurable differences between International Orange and Hazard Orange across RGB distance, luminance, hue, saturation, and contrast.

RGB distance24

Pair contrast1.13:1

Luminance delta0.0411

Hue delta5 deg

Lighter colorHazard Orange

More saturatedInternational Orange

Side-by-Side Color Profiles

orange color

International Orange

International Orange is #FF4F00, a warm orange color with vibrant character. Compared with Hazard Orange, it is darker and similar in saturation. Use it for historical references, pigment palettes, and cultural color systems, with black text as the safer foreground option.

HEX#FF4F00 RGB255, 79, 0 HSL19, 100, 50 CMYK0, 69, 100, 0 Luminance0.2685 Best textblack text

Color page WCAG HEX atlas

orange color

Hazard Orange

Hazard Orange is #FF6700, a warm orange color with vibrant character. Compared with International Orange, it is lighter and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with black text as the safer foreground option.

HEX#FF6700 RGB255, 103, 0 HSL24, 100, 50 CMYK0, 60, 100, 0 Luminance0.3096 Best textblack text

Color page WCAG HEX atlas

When to Use International Orange or Hazard Orange

Choose International OrangeInternational Orange is better when the design needs vibrant orange character, warm temperature, and the specific HEX value #FF4F00.

Choose Hazard OrangeHazard Orange is better when the design needs vibrant orange character, warm temperature, and the specific HEX value #FF6700.

Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertyInternational OrangeHazard Orange

HEX#FF4F00#FF6700

RGB255, 79, 0255, 103, 0

HSL19, 100, 5024, 100, 50

CMYK0, 69, 100, 00, 60, 100, 0

FamilyOrangeOrange

TemperatureWarmWarm

ToneVibrantVibrant

Luminance0.26850.3096

Black contrast6.37:17.19:1

White contrast3.3:12.92:1

Shared tonesVibrant

Accessibility and Contrast

Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.

International Orangeblack text - 6.37:1

Hazard Orangeblack text - 7.19:1

Related Palette Strip

A compact visual strip showing the two compared colors with nearby harmony and variant context.

International Orange#FF4F00

Hazard Orange#FF6700

#FF8F5C#FF8F5C

#FF9D5C#FF9D5C

#00AEFF#00AEFF

#0099FF#0099FF

colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and links

differencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributes

accessibilityPair contrast and safer text choices for each color

useCasesWhen to choose each color and when to use them together

relatedApiMachine-readable comparison and color endpoints

Structured sections

Colors

[
  {
    "slug": "international-orange",
    "name": "International Orange",
    "hex": "#FF4F00",
    "rgb": [
      255,
      79,
      0
    ],
    "hsl": [
      19,
      100,
      50
    ],
    "cmyk": [
      0,
      69,
      100,
      0
    ],
    "family": "orange",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.2685,
    "contrast": {
      "black": 6.37,
      "white": 3.3
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 6.37
    },
    "description": "International Orange is #FF4F00, a warm orange color with vibrant character. Compared with Hazard Orange, it is darker and similar in saturation. Use it for historical references, pigment palettes, and cultural color systems, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/international-orange/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/international-orange.json"
  },
  {
    "slug": "hazard-orange",
    "name": "Hazard Orange",
    "hex": "#FF6700",
    "rgb": [
      255,
      103,
      0
    ],
    "hsl": [
      24,
      100,
      50
    ],
    "cmyk": [
      0,
      60,
      100,
      0
    ],
    "family": "orange",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.3096,
    "contrast": {
      "black": 7.19,
      "white": 2.92
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A"
      ],
      "AAA": [
        "#000000"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 7.19
    },
    "description": "Hazard Orange is #FF6700, a warm orange color with vibrant character. Compared with International Orange, it is lighter and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/hazard-orange/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/hazard-orange.json"
  }
]

Differences

{
  "rgbDistance": 24,
  "contrastRatio": 1.13,
  "hslDelta": {
    "hue": 5,
    "saturation": 0,
    "lightness": 0
  },
  "luminanceDelta": 0.0411,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "vibrant"
  ],
  "lighterColor": "Hazard Orange",
  "moreSaturatedColor": "International Orange"
}

Accessibility

{
  "pairContrastRatio": 1.13,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "International Orange",
      "background": "#FF4F00",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 6.37
    },
    {
      "color": "Hazard Orange",
      "background": "#FF6700",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 7.19
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "International Orange is better when the design needs vibrant orange character, warm temperature, and the specific HEX value #FF4F00.",
  "chooseSecondWhen": "Hazard Orange is better when the design needs vibrant orange character, warm temperature, and the specific HEX value #FF6700.",
  "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
}

Related API

[
  "https://www.colorsencyclopedia.com/api/compare/international-orange-vs-hazard-orange.json",
  "https://www.colorsencyclopedia.com/api/colors/international-orange.json",
  "https://www.colorsencyclopedia.com/api/colors/hazard-orange.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "international-orange-vs-hazard-orange",
  "type": "nearest",
  "name": "International Orange vs Hazard Orange",
  "verdict": "International Orange and Hazard Orange are very close colors. Hazard Orange is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.13:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "International Orange and Hazard Orange are different orange colors with HEX values #FF4F00 and #FF6700. According to Colors Encyclopedia, their RGB distance is 24, their contrast ratio is 1.13:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 24,
  "contrastRatio": 1.13,
  "colors": [
    {
      "slug": "international-orange",
      "name": "International Orange",
      "hex": "#FF4F00",
      "rgb": [
        255,
        79,
        0
      ],
      "hsl": [
        19,
        100,
        50
      ],
      "cmyk": [
        0,
        69,
        100,
        0
      ],
      "family": "orange",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.2685,
      "contrast": {
        "black": 6.37,
        "white": 3.3
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 6.37
      },
      "description": "International Orange is #FF4F00, a warm orange color with vibrant character. Compared with Hazard Orange, it is darker and similar in saturation. Use it for historical references, pigment palettes, and cultural color systems, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/international-orange/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/international-orange.json"
    },
    {
      "slug": "hazard-orange",
      "name": "Hazard Orange",
      "hex": "#FF6700",
      "rgb": [
        255,
        103,
        0
      ],
      "hsl": [
        24,
        100,
        50
      ],
      "cmyk": [
        0,
        60,
        100,
        0
      ],
      "family": "orange",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.3096,
      "contrast": {
        "black": 7.19,
        "white": 2.92
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": [
          "#000000"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 7.19
      },
      "description": "Hazard Orange is #FF6700, a warm orange color with vibrant character. Compared with International Orange, it is lighter and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/hazard-orange/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/hazard-orange.json"
    }
  ],
  "differences": {
    "rgbDistance": 24,
    "contrastRatio": 1.13,
    "hslDelta": {
      "hue": 5,
      "saturation": 0,
      "lightness": 0
    },
    "luminanceDelta": 0.0411,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "vibrant"
    ],
    "lighterColor": "Hazard Orange",
    "moreSaturatedColor": "International Orange"
  },
  "accessibility": {
    "pairContrastRatio": 1.13,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "International Orange",
        "background": "#FF4F00",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 6.37
      },
      {
        "color": "Hazard Orange",
        "background": "#FF6700",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 7.19
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "International Orange is better when the design needs vibrant orange character, warm temperature, and the specific HEX value #FF4F00.",
    "chooseSecondWhen": "Hazard Orange is better when the design needs vibrant orange character, warm temperature, and the specific HEX value #FF6700.",
    "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
  },
  "relatedApi": [
    "https://www.colorsencyclopedia.com/api/compare/international-orange-vs-hazard-orange.json",
    "https://www.colorsencyclopedia.com/api/colors/international-orange.json",
    "https://www.colorsencyclopedia.com/api/colors/hazard-orange.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/international-orange-vs-hazard-orange/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/international-orange-vs-hazard-orange.json"
}