Colors Encyclopedia

Generated palette

Dark Olive Green Palette

Dark Olive Green Palette: #556B2F, #452F6A, #6A622F, #376A2F. Check roles, contrast and CSS variables; open source-color links and JSON.

Dark Olive Green Palette assigns primary #556B2F, secondary #452F6A, surface #6A622F, background #376A2F, accent #FFFFFF. The set spans Green, Purple, Yellow, and Gray families with cool, warm, and neutral temperatures. Luminance runs from #452F6A at 0.0434 to #FFFFFF at 1; black gives higher contrast on 1 of 5 values.

All palettesSource colorAPI
5colors
Green palettedominant group
6use cases

Palette Color Roles

Dark Olive Green Palette maps 5 colors to practical UI roles for interfaces, brand systems, and CSS tokens.

Primary#556B2FDark Olive Green
Secondary#452F6A#452F6A
Surface#6A622F#6A622F
Background#376A2F#376A2F
Accent#FFFFFFWhite

CSS Variables

--palette-dark-olive-green-primary: #556B2F;
--palette-dark-olive-green-secondary: #452F6A;
--palette-dark-olive-green-surface: #6A622F;
--palette-dark-olive-green-background: #376A2F;
--palette-dark-olive-green-accent: #FFFFFF;

Accessibility Snapshot

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

Primary#556B2F
Black 3.53:1 · White 5.95:1
Best #FFFFFF
Secondary#452F6A
Black 1.87:1 · White 11.24:1
Best #FFFFFF
Surface#6A622F
Black 3.4:1 · White 6.18:1
Best #FFFFFF
Background#376A2F
Black 3.27:1 · White 6.43:1
Best #FFFFFF
Accent#FFFFFF
Black 21:1 · White 1:1
Best #000000

UI Components Preview

Preview how the Dark Olive Green 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 Dark Olive Green Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.1265
Black text3.53:1AA Fail
White text5.95:1AA 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": "#556B2F",
    "name": "Dark Olive Green"
  },
  {
    "role": "secondary",
    "hex": "#452F6A",
    "name": "#452F6A"
  },
  {
    "role": "surface",
    "hex": "#6A622F",
    "name": "#6A622F"
  },
  {
    "role": "background",
    "hex": "#376A2F",
    "name": "#376A2F"
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#556B2F",
    "name": "Dark Olive Green",
    "blackContrast": 3.53,
    "whiteContrast": 5.95,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "secondary",
    "hex": "#452F6A",
    "name": "#452F6A",
    "blackContrast": 1.87,
    "whiteContrast": 11.24,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "surface",
    "hex": "#6A622F",
    "name": "#6A622F",
    "blackContrast": 3.4,
    "whiteContrast": 6.18,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#376A2F",
    "name": "#376A2F",
    "blackContrast": 3.27,
    "whiteContrast": 6.43,
    "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
[
  "dark olive green palette",
  "generated palette",
  "green palette",
  "purple palette",
  "yellow palette",
  "gray palette",
  "earth tone palette",
  "balanced palette",
  "light palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "natural branding",
  "wellness and botanical palettes"
]
CSS variables
"--palette-dark-olive-green-primary: #556B2F;\n--palette-dark-olive-green-secondary: #452F6A;\n--palette-dark-olive-green-surface: #6A622F;\n--palette-dark-olive-green-background: #376A2F;\n--palette-dark-olive-green-accent: #FFFFFF;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "dark-olive-green",
  "name": "Dark Olive Green Palette",
  "type": "generated",
  "sourceColor": "dark-olive-green",
  "description": "Generated palette built from Dark Olive Green, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Dark Olive Green Palette combines primary #556B2F, secondary #452F6A, surface #6A622F, background #376A2F, accent #FFFFFF. According to Colors Encyclopedia, the palette works as a green palette, purple palette, yellow 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": [
    "dark olive green palette",
    "generated palette",
    "green palette",
    "purple palette",
    "yellow palette",
    "gray palette",
    "earth tone palette",
    "balanced palette",
    "light palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "natural branding",
    "wellness and botanical palettes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#556B2F",
      "slug": "dark-olive-green",
      "name": "Dark Olive Green",
      "rgb": [
        85,
        107,
        47
      ],
      "hsl": [
        82,
        39,
        30
      ],
      "cmyk": [
        21,
        0,
        56,
        58
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1265,
      "contrast": {
        "black": 3.53,
        "white": 5.95
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/colors/dark-olive-green/"
    },
    {
      "role": "secondary",
      "hex": "#452F6A",
      "slug": null,
      "name": "#452F6A",
      "rgb": [
        69,
        47,
        106
      ],
      "hsl": [
        262,
        39,
        30
      ],
      "cmyk": [
        35,
        56,
        0,
        58
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0434,
      "contrast": {
        "black": 1.87,
        "white": 11.24
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#6A622F",
      "slug": null,
      "name": "#6A622F",
      "rgb": [
        106,
        98,
        47
      ],
      "hsl": [
        52,
        39,
        30
      ],
      "cmyk": [
        0,
        8,
        56,
        58
      ],
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.12,
      "contrast": {
        "black": 3.4,
        "white": 6.18
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#376A2F",
      "slug": null,
      "name": "#376A2F",
      "rgb": [
        55,
        106,
        47
      ],
      "hsl": [
        112,
        39,
        30
      ],
      "cmyk": [
        48,
        0,
        56,
        58
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1133,
      "contrast": {
        "black": 3.27,
        "white": 6.43
      },
      "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": "#556B2F",
      "name": "Dark Olive Green"
    },
    {
      "role": "secondary",
      "hex": "#452F6A",
      "name": "#452F6A"
    },
    {
      "role": "surface",
      "hex": "#6A622F",
      "name": "#6A622F"
    },
    {
      "role": "background",
      "hex": "#376A2F",
      "name": "#376A2F"
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#556B2F",
      "name": "Dark Olive Green",
      "blackContrast": 3.53,
      "whiteContrast": 5.95,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "secondary",
      "hex": "#452F6A",
      "name": "#452F6A",
      "blackContrast": 1.87,
      "whiteContrast": 11.24,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "surface",
      "hex": "#6A622F",
      "name": "#6A622F",
      "blackContrast": 3.4,
      "whiteContrast": 6.18,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#376A2F",
      "name": "#376A2F",
      "blackContrast": 3.27,
      "whiteContrast": 6.43,
      "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-dark-olive-green-primary: #556B2F;\n--palette-dark-olive-green-secondary: #452F6A;\n--palette-dark-olive-green-surface: #6A622F;\n--palette-dark-olive-green-background: #376A2F;\n--palette-dark-olive-green-accent: #FFFFFF;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/dark-olive-green.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/dark-olive-green/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/dark-olive-green.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.Dark Olive Green Palette JSONOpen the machine-readable palette dataset.Dark Olive Green colorOpen the source color reference for this generated palette.Green colorsExplore green colors related to this palette.Purple colorsExplore purple colors related to this palette.Yellow colorsExplore yellow colors related to this palette.Gray colorsExplore gray colors related to this palette.Earth Tone colorsExplore earth tone colors used in palette systems.Balanced colorsExplore balanced colors used in palette systems.Light colorsExplore light colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.