Colors Encyclopedia

Generated palette

Crimson Red Palette

Crimson Red Palette: #990000, #009999, #99004D, #994C00. Check roles, contrast and CSS variables; open source-color links and JSON.

Crimson Red Palette assigns primary #990000, secondary #009999, surface #99004D, background #994C00, accent #FFFFFF. The set spans Red, Cyan, Pink, and Orange families with warm, cool, and neutral temperatures. Luminance runs from #990000 at 0.0677 to #FFFFFF at 1; black gives higher contrast on 2 of 5 values.

All palettesSource colorAPI
5colors
Red palettedominant group
4use cases

Palette Color Roles

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

Primary#990000Crimson Red
Secondary#009999#009999
Surface#99004D#99004D
Background#994C00#994C00
Accent#FFFFFFWhite

CSS Variables

--palette-crimson-red-primary: #990000;
--palette-crimson-red-secondary: #009999;
--palette-crimson-red-surface: #99004D;
--palette-crimson-red-background: #994C00;
--palette-crimson-red-accent: #FFFFFF;

Accessibility Snapshot

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

Primary#990000
Black 2.35:1 · White 8.92:1
Best #FFFFFF
Secondary#009999
Black 6.02:1 · White 3.49:1
Best #000000
Surface#99004D
Black 2.46:1 · White 8.53:1
Best #FFFFFF
Background#994C00
Black 3.39:1 · White 6.2:1
Best #FFFFFF
Accent#FFFFFF
Black 21:1 · White 1:1
Best #000000

UI Components Preview

Preview how the Crimson Red 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 Crimson Red Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.0677
Black text2.35:1AA Fail
White text8.92:1AA Pass
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": "#990000",
    "name": "Crimson Red"
  },
  {
    "role": "secondary",
    "hex": "#009999",
    "name": "#009999"
  },
  {
    "role": "surface",
    "hex": "#99004D",
    "name": "#99004D"
  },
  {
    "role": "background",
    "hex": "#994C00",
    "name": "#994C00"
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#990000",
    "name": "Crimson Red",
    "blackContrast": 2.35,
    "whiteContrast": 8.92,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "secondary",
    "hex": "#009999",
    "name": "#009999",
    "blackContrast": 6.02,
    "whiteContrast": 3.49,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "surface",
    "hex": "#99004D",
    "name": "#99004D",
    "blackContrast": 2.46,
    "whiteContrast": 8.53,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "background",
    "hex": "#994C00",
    "name": "#994C00",
    "blackContrast": 3.39,
    "whiteContrast": 6.2,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White",
    "blackContrast": 21,
    "whiteContrast": 1,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  }
]
Semantic groups
[
  "crimson red palette",
  "generated palette",
  "red palette",
  "cyan palette",
  "pink palette",
  "orange palette",
  "gray palette",
  "balanced palette",
  "light palette",
  "neutral palette",
  "warm palette",
  "cool palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion"
]
CSS variables
"--palette-crimson-red-primary: #990000;\n--palette-crimson-red-secondary: #009999;\n--palette-crimson-red-surface: #99004D;\n--palette-crimson-red-background: #994C00;\n--palette-crimson-red-accent: #FFFFFF;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "crimson-red",
  "name": "Crimson Red Palette",
  "type": "generated",
  "sourceColor": "crimson-red",
  "description": "Generated palette built from Crimson Red, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Crimson Red Palette combines primary #990000, secondary #009999, surface #99004D, background #994C00, accent #FFFFFF. According to Colors Encyclopedia, the palette works as a red palette, cyan palette, pink 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": [
    "crimson red palette",
    "generated palette",
    "red palette",
    "cyan palette",
    "pink palette",
    "orange palette",
    "gray palette",
    "balanced palette",
    "light palette",
    "neutral palette",
    "warm palette",
    "cool palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#990000",
      "slug": "crimson-red",
      "name": "Crimson Red",
      "rgb": [
        153,
        0,
        0
      ],
      "hsl": [
        0,
        100,
        30
      ],
      "cmyk": [
        0,
        100,
        100,
        40
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0677,
      "contrast": {
        "black": 2.35,
        "white": 8.92
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/crimson-red/"
    },
    {
      "role": "secondary",
      "hex": "#009999",
      "slug": null,
      "name": "#009999",
      "rgb": [
        0,
        153,
        153
      ],
      "hsl": [
        180,
        100,
        30
      ],
      "cmyk": [
        100,
        0,
        0,
        40
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.2508,
      "contrast": {
        "black": 6.02,
        "white": 3.49
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#99004D",
      "slug": null,
      "name": "#99004D",
      "rgb": [
        153,
        0,
        77
      ],
      "hsl": [
        330,
        100,
        30
      ],
      "cmyk": [
        0,
        100,
        50,
        40
      ],
      "family": "pink",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0731,
      "contrast": {
        "black": 2.46,
        "white": 8.53
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#994C00",
      "slug": null,
      "name": "#994C00",
      "rgb": [
        153,
        76,
        0
      ],
      "hsl": [
        30,
        100,
        30
      ],
      "cmyk": [
        0,
        50,
        100,
        40
      ],
      "family": "orange",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.1194,
      "contrast": {
        "black": 3.39,
        "white": 6.2
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "slug": "white",
      "name": "White",
      "rgb": [
        255,
        255,
        255
      ],
      "hsl": [
        0,
        0,
        100
      ],
      "cmyk": [
        0,
        0,
        0,
        0
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "light",
        "neutral"
      ],
      "luminance": 1,
      "contrast": {
        "black": 21,
        "white": 1
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/white/"
    }
  ],
  "roles": [
    {
      "role": "primary",
      "hex": "#990000",
      "name": "Crimson Red"
    },
    {
      "role": "secondary",
      "hex": "#009999",
      "name": "#009999"
    },
    {
      "role": "surface",
      "hex": "#99004D",
      "name": "#99004D"
    },
    {
      "role": "background",
      "hex": "#994C00",
      "name": "#994C00"
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#990000",
      "name": "Crimson Red",
      "blackContrast": 2.35,
      "whiteContrast": 8.92,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "secondary",
      "hex": "#009999",
      "name": "#009999",
      "blackContrast": 6.02,
      "whiteContrast": 3.49,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "surface",
      "hex": "#99004D",
      "name": "#99004D",
      "blackContrast": 2.46,
      "whiteContrast": 8.53,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "background",
      "hex": "#994C00",
      "name": "#994C00",
      "blackContrast": 3.39,
      "whiteContrast": 6.2,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White",
      "blackContrast": 21,
      "whiteContrast": 1,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    }
  ],
  "cssVariables": "--palette-crimson-red-primary: #990000;\n--palette-crimson-red-secondary: #009999;\n--palette-crimson-red-surface: #99004D;\n--palette-crimson-red-background: #994C00;\n--palette-crimson-red-accent: #FFFFFF;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/crimson-red.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/crimson-red.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/crimson-red/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/crimson-red.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.Crimson Red Palette JSONOpen the machine-readable palette dataset.Crimson Red colorOpen the source color reference for this generated palette.Red colorsExplore red colors related to this palette.Cyan colorsExplore cyan colors related to this palette.Pink colorsExplore pink colors related to this palette.Orange colorsExplore orange colors related to this palette.Balanced colorsExplore balanced colors used in palette systems.Light colorsExplore light colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.