Colors Encyclopedia

Named color

Orange Red

Orange Red color #FF4500: RGB 255, 69, 0 and HSL 16°, 100%, 50%. Explore its warm orange profile, contrast, CSS, palettes and harmonies.

#FF4500 orange warm vibrant
HEX #FF4500
RGB rgb(255, 69, 0)
HSL hsl(16 100% 50%)
CMYK cmyk(0, 73, 100, 0)
Luminance 0.2552
Contrast Black 6.1:1White 3.44:1

Use this color

Create with Orange Red

Open a professional color tool with #FF4500 already applied. Each configuration stays canonical to the tool and can be adjusted or shared.

All color tools
Generate palette & CSS variablesCreate 50–950 tokens and export CSS, SCSS, JSON, or Tailwind.Open configured tool →Open in Gradient StudioStart with Orange Red and its complementary color.Open configured tool →Mix this colorBlend it with a complementary color and copy color-mix() CSS.Open configured tool →Check contrastOpen the strongest black or white background pairing.Open configured tool →Accessible combinationsReview AA and AAA text options, alternatives, warnings, and UI guidance.Open configured tool →Create glass surfaceUse this color as the tint for a translucent UI panel.Open configured tool →

CSS Utilities

--color-orange-red: #FF4500;
.bg-orange-red { background-color: #FF4500; }
.text-orange-red { color: #FF4500; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Orange Red Color

Orange Red uses HEX #FF4500, RGB 255, 69, 0, and HSL 16°, 100%, 50%. The dataset classifies it in the orange family with warm temperature and vibrant visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.2552; black contrast is 6.1:1 and white contrast is 3.44:1, making black the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Orange Red against black and white text.

Black text6.1:1AA Pass
White text3.44:1AA Fail
AA text options#000000, #1A1A1A
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Orange Red Color Reference Infographic

Save a high-resolution infographic of Orange Red, including its color values, coordinated palette, and black and white text contrast.

1200 × 800
Orange Red color reference infographic showing #FF4500, RGB and HSL values, a coordinated palette, and black and white text contrast.
Orange Red color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#00BBFF#00BBFF#FF003B#FF003B#FFC300#FFC300#00FF44#00FF44#4400FF#4400FF
Open full Orange Red harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#FF875C#FF875C#A32C00#A32C00#FF4400#FF4400#E3511C#E3511C#F5A689#F5A689#FF6229#FF6229

Pairings

Black#000000#00BBFF#00BBFF#FF003B#FF003B#FFC300#FFC300Matte Black#1A1A1AWhite Smoke#F5F5F5

Machine-readable data

Machine-Readable Color Data (JSON)

Perfect for CSS, design systems, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.2552
Black text6.1:1AA Pass
White text3.44:1AA Fail
hexCanonical HEX value
rgbRed, green, blue channels
hslHue, saturation, lightness
cmykApproximate print conversion
wcagAA and AAA contrast options
harmoniesMathematical harmony sets
variantsGenerated tone variants
nearestColorsKnowledge graph neighbors
Download JSON Open API
Structured sections
Color systems
{
  "hex": "#FF4500",
  "rgb": [
    255,
    69,
    0
  ],
  "hsl": [
    16,
    100,
    50
  ],
  "cmyk": [
    0,
    73,
    100,
    0
  ],
  "luminance": 0.2552,
  "contrast": {
    "black": 6.1,
    "white": 3.44
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#00BBFF",
  "analogous": [
    "#FF003B",
    "#FFC300"
  ],
  "triadic": [
    "#00FF44",
    "#4400FF"
  ],
  "tetradic": [
    "#3BFF00",
    "#00BBFF",
    "#C300FF"
  ],
  "splitComplementary": [
    "#00FFC4",
    "#003BFF"
  ],
  "monochromatic": [
    "#FF875C",
    "#FF4500",
    "#A32C00"
  ]
}
Variants
{
  "light": "#FF875C",
  "dark": "#A32C00",
  "saturated": "#FF4400",
  "desaturated": "#E3511C",
  "pastel": "#F5A689",
  "neon": "#FF6229"
}
Pairings
{
  "best": [
    "#000000",
    "#00BBFF",
    "#FF003B",
    "#FFC300"
  ],
  "avoid": [
    "#E3511C",
    "#FF875C"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#FF875C",
    "#E3511C"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "international-orange",
    "scarlet",
    "hazard-orange",
    "neon-orange",
    "fire-opal"
  ],
  "generatedPalettes": [
    "orange-red"
  ],
  "generatedComparisons": [
    "international-orange-vs-orange-red",
    "orange-red-vs-scarlet"
  ],
  "relatedFamilies": [
    "/colors/by-family/orange",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/orange-red",
    "/wcag/orange-red",
    "/css/colors/orange-red",
    "/hex/ff4500",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/orange",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/orange-red"
    ],
    "related": [
      "/colors/international-orange",
      "/colors/scarlet",
      "/colors/hazard-orange",
      "/colors/neon-orange",
      "/colors/fire-opal",
      "/compare/international-orange-vs-orange-red",
      "/compare/orange-red-vs-scarlet",
      "/harmonies/orange-red",
      "/wcag/orange-red",
      "/css/colors/orange-red",
      "/hex/ff4500",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "orange-red",
  "name": "Orange Red",
  "cssName": "orangered",
  "hex": "#FF4500",
  "family": "orange",
  "temperature": "warm",
  "tone": [
    "vibrant"
  ],
  "uses": [
    "web design",
    "CSS color systems",
    "UI prototyping"
  ],
  "psychology": {
    "associations": [
      "context dependent"
    ],
    "contexts": [
      "web interfaces",
      "design systems",
      "technical color references"
    ],
    "avoidIn": [
      "claims that require brand or cultural specificity"
    ]
  },
  "aliases": [
    "orangered"
  ],
  "sourceType": "standard",
  "confidence": "high",
  "sourceUrl": "https://www.w3.org/TR/css-color-4/#named-colors",
  "origin": {
    "type": "css",
    "notes": "Standard CSS named color."
  },
  "reviewStatus": "auto",
  "editorialNotes": "Generated from CSS named color data and computed color-system properties.",
  "tags": [
    "orange",
    "warm",
    "vibrant",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 67,
  "rgb": [
    255,
    69,
    0
  ],
  "hsl": [
    16,
    100,
    50
  ],
  "cmyk": [
    0,
    73,
    100,
    0
  ],
  "luminance": 0.2552,
  "contrast": {
    "black": 6.1,
    "white": 3.44
  },
  "harmonies": {
    "complementary": "#00BBFF",
    "analogous": [
      "#FF003B",
      "#FFC300"
    ],
    "triadic": [
      "#00FF44",
      "#4400FF"
    ],
    "tetradic": [
      "#3BFF00",
      "#00BBFF",
      "#C300FF"
    ],
    "splitComplementary": [
      "#00FFC4",
      "#003BFF"
    ],
    "monochromatic": [
      "#FF875C",
      "#FF4500",
      "#A32C00"
    ]
  },
  "variants": {
    "light": "#FF875C",
    "dark": "#A32C00",
    "saturated": "#FF4400",
    "desaturated": "#E3511C",
    "pastel": "#F5A689",
    "neon": "#FF6229"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-orange-red: #FF4500;",
    "utility": ".bg-orange-red { background-color: #FF4500; }",
    "textUtility": ".text-orange-red { color: #FF4500; }"
  },
  "nearestColors": [
    "international-orange",
    "scarlet",
    "hazard-orange",
    "neon-orange",
    "fire-opal"
  ],
  "generatedPalettes": [
    "orange-red"
  ],
  "generatedComparisons": [
    "international-orange-vs-orange-red",
    "orange-red-vs-scarlet"
  ],
  "relatedFamilies": [
    "/colors/by-family/orange",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/orange-red",
    "/wcag/orange-red",
    "/css/colors/orange-red",
    "/hex/ff4500",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/orange",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/orange-red"
    ],
    "related": [
      "/colors/international-orange",
      "/colors/scarlet",
      "/colors/hazard-orange",
      "/colors/neon-orange",
      "/colors/fire-opal",
      "/compare/international-orange-vs-orange-red",
      "/compare/orange-red-vs-scarlet",
      "/harmonies/orange-red",
      "/wcag/orange-red",
      "/css/colors/orange-red",
      "/hex/ff4500",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#00BBFF",
      "#FF003B",
      "#FFC300"
    ],
    "avoid": [
      "#E3511C",
      "#FF875C"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#FF875C",
      "#E3511C"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

International Orange#FF4F00
Scarlet#FF2400
Hazard Orange#FF6700
Neon Orange#FF5F1F
Fire Opal#E95C20

Related Color Guides

Orange color familyBrowse named orange colors and compare nearby swatches.Warm colorsExplore colors with warm temperature behavior.Vibrant colorsFind colors with vibrant visual character.Orange Red accessibilityCheck contrast and WCAG text options for #FF4500.Orange Red CSS utilitiesUse Orange Red in CSS variables and utility classes.#FF4500 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Orange Red paletteOpen the generated palette based on Orange Red.Orange Red harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.