Colors Encyclopedia

Generated palette

International Orange Palette

International Orange Palette: #FF4F00, #00AEFF, #FF002F, #FFD000. Check roles, contrast and CSS variables; open source-color links and JSON.

International Orange Palette assigns primary #FF4F00, secondary #00AEFF, surface #FF002F, background #FFD000, accent #000000. The set spans Orange, Blue, Red, and Yellow families with warm, cool, and neutral temperatures. Luminance runs from #000000 at 0 to #FFD000 at 0.6637; black gives higher contrast on 4 of 5 values.

All palettesSource colorAPI
5colors
Orange palettedominant group
5use cases

Palette Color Roles

International Orange Palette maps 5 colors to practical UI roles for interfaces, brand systems, and CSS tokens.

Primary#FF4F00International Orange
Secondary#00AEFF#00AEFF
Surface#FF002F#FF002F
Background#FFD000#FFD000
Accent#000000Black

CSS Variables

--palette-international-orange-primary: #FF4F00;
--palette-international-orange-secondary: #00AEFF;
--palette-international-orange-surface: #FF002F;
--palette-international-orange-background: #FFD000;
--palette-international-orange-accent: #000000;

Accessibility Snapshot

Compare all 5 International Orange Palette values against black and white text, with the stronger standard foreground identified for each role.

Primary#FF4F00
Black 6.37:1 · White 3.3:1
Best #000000
Secondary#00AEFF
Black 8.5:1 · White 2.47:1
Best #000000
Surface#FF002F
Black 5.29:1 · White 3.97:1
Best #000000
Background#FFD000
Black 14.27:1 · White 1.47:1
Best #000000
Accent#000000
Black 1:1 · White 21:1
Best #FFFFFF

UI Components Preview

Preview how the International Orange Palette roles behave together across common interface components before copying the CSS variables.

ButtonPrimary action with checked foreground contrast.
CardSurface treatment using palette roles.
AlertBackground, text, and accent roles together.
NavbarSecondary role with accent state.

Machine-readable data

Machine-Readable International Orange Palette Data (JSON)

Structured palette data for International Orange Palette, including color roles, accessibility, semantic groups, use cases, CSS variables, and API links.

AI-Ready Dataset v1.0.0
Luminance0.2685
Black text6.37:1AA Pass
White text3.3:1AA Fail
colorsPalette colors with roles and color systems
rolesPrimary, secondary, surface, background, and accent mapping
accessibilityContrast and WCAG text options by palette color
semanticGroupsAI-readable palette labels
useCasesDesign and implementation contexts
cssVariablesCopy-ready CSS custom properties
Download JSON Open API
Structured sections
Roles
[
  {
    "role": "primary",
    "hex": "#FF4F00",
    "name": "International Orange"
  },
  {
    "role": "secondary",
    "hex": "#00AEFF",
    "name": "#00AEFF"
  },
  {
    "role": "surface",
    "hex": "#FF002F",
    "name": "#FF002F"
  },
  {
    "role": "background",
    "hex": "#FFD000",
    "name": "#FFD000"
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#FF4F00",
    "name": "International Orange",
    "blackContrast": 6.37,
    "whiteContrast": 3.3,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "secondary",
    "hex": "#00AEFF",
    "name": "#00AEFF",
    "blackContrast": 8.5,
    "whiteContrast": 2.47,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ]
  },
  {
    "role": "surface",
    "hex": "#FF002F",
    "name": "#FF002F",
    "blackContrast": 5.29,
    "whiteContrast": 3.97,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#FFD000",
    "name": "#FFD000",
    "blackContrast": 14.27,
    "whiteContrast": 1.47,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ]
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black",
    "blackContrast": 1,
    "whiteContrast": 21,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  }
]
Semantic groups
[
  "international orange palette",
  "generated palette",
  "orange palette",
  "blue palette",
  "red palette",
  "yellow palette",
  "gray palette",
  "vibrant palette",
  "dark palette",
  "neutral palette",
  "warm palette",
  "cool palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "calm digital interfaces"
]
CSS variables
"--palette-international-orange-primary: #FF4F00;\n--palette-international-orange-secondary: #00AEFF;\n--palette-international-orange-surface: #FF002F;\n--palette-international-orange-background: #FFD000;\n--palette-international-orange-accent: #000000;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "international-orange",
  "name": "International Orange Palette",
  "type": "generated",
  "sourceColor": "international-orange",
  "description": "Generated palette built from International Orange, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "International Orange Palette combines primary #FF4F00, secondary #00AEFF, surface #FF002F, background #FFD000, accent #000000. According to Colors Encyclopedia, the palette works as a orange palette, blue palette, red palette system for design system tokens, CSS variables, palette reference, and AI color ingestion, with each color mapped to roles, contrast data, CSS tokens, and machine-readable JSON.",
  "semanticGroups": [
    "international orange palette",
    "generated palette",
    "orange palette",
    "blue palette",
    "red palette",
    "yellow palette",
    "gray palette",
    "vibrant palette",
    "dark palette",
    "neutral palette",
    "warm palette",
    "cool palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "calm digital interfaces"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#FF4F00",
      "slug": "international-orange",
      "name": "International Orange",
      "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": []
      },
      "url": "https://www.colorsencyclopedia.com/colors/international-orange/"
    },
    {
      "role": "secondary",
      "hex": "#00AEFF",
      "slug": null,
      "name": "#00AEFF",
      "rgb": [
        0,
        174,
        255
      ],
      "hsl": [
        199,
        100,
        50
      ],
      "cmyk": [
        100,
        32,
        0,
        0
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.3749,
      "contrast": {
        "black": 8.5,
        "white": 2.47
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#FF002F",
      "slug": null,
      "name": "#FF002F",
      "rgb": [
        255,
        0,
        47
      ],
      "hsl": [
        349,
        100,
        50
      ],
      "cmyk": [
        0,
        100,
        82,
        0
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.2147,
      "contrast": {
        "black": 5.29,
        "white": 3.97
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#FFD000",
      "slug": null,
      "name": "#FFD000",
      "rgb": [
        255,
        208,
        0
      ],
      "hsl": [
        49,
        100,
        50
      ],
      "cmyk": [
        0,
        18,
        100,
        0
      ],
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.6637,
      "contrast": {
        "black": 14.27,
        "white": 1.47
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "url": null
    },
    {
      "role": "accent",
      "hex": "#000000",
      "slug": "black",
      "name": "Black",
      "rgb": [
        0,
        0,
        0
      ],
      "hsl": [
        0,
        0,
        0
      ],
      "cmyk": [
        0,
        0,
        0,
        100
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "dark",
        "neutral"
      ],
      "luminance": 0,
      "contrast": {
        "black": 1,
        "white": 21
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/black/"
    }
  ],
  "roles": [
    {
      "role": "primary",
      "hex": "#FF4F00",
      "name": "International Orange"
    },
    {
      "role": "secondary",
      "hex": "#00AEFF",
      "name": "#00AEFF"
    },
    {
      "role": "surface",
      "hex": "#FF002F",
      "name": "#FF002F"
    },
    {
      "role": "background",
      "hex": "#FFD000",
      "name": "#FFD000"
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#FF4F00",
      "name": "International Orange",
      "blackContrast": 6.37,
      "whiteContrast": 3.3,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "secondary",
      "hex": "#00AEFF",
      "name": "#00AEFF",
      "blackContrast": 8.5,
      "whiteContrast": 2.47,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ]
    },
    {
      "role": "surface",
      "hex": "#FF002F",
      "name": "#FF002F",
      "blackContrast": 5.29,
      "whiteContrast": 3.97,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#FFD000",
      "name": "#FFD000",
      "blackContrast": 14.27,
      "whiteContrast": 1.47,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ]
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black",
      "blackContrast": 1,
      "whiteContrast": 21,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    }
  ],
  "cssVariables": "--palette-international-orange-primary: #FF4F00;\n--palette-international-orange-secondary: #00AEFF;\n--palette-international-orange-surface: #FF002F;\n--palette-international-orange-background: #FFD000;\n--palette-international-orange-accent: #000000;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/international-orange.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/international-orange.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/international-orange/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/international-orange.json"
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Related Palette Guides

All color palettesBrowse curated and generated palette references.International Orange Palette JSONOpen the machine-readable palette dataset.International Orange colorOpen the source color reference for this generated palette.Orange colorsExplore orange colors related to this palette.Blue colorsExplore blue colors related to this palette.Red colorsExplore red colors related to this palette.Yellow colorsExplore yellow colors related to this palette.Vibrant colorsExplore vibrant colors used in palette systems.Dark colorsExplore dark colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.