Colors Encyclopedia

Generated palette

Fern Green Palette

Fern Green Palette: #4F7942, #6D437A, #6B7A43, #437A52. Check roles, contrast and CSS variables; open source-color links and JSON.

Fern Green Palette assigns primary #4F7942, secondary #6D437A, surface #6B7A43, background #437A52, accent #FFFFFF. The set spans Green, Purple, and Gray families with cool and neutral temperatures. Luminance runs from #6D437A at 0.0867 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

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

Primary#4F7942Fern Green
Secondary#6D437A#6D437A
Surface#6B7A43#6B7A43
Background#437A52#437A52
Accent#FFFFFFWhite

CSS Variables

--palette-fern-green-primary: #4F7942;
--palette-fern-green-secondary: #6D437A;
--palette-fern-green-surface: #6B7A43;
--palette-fern-green-background: #437A52;
--palette-fern-green-accent: #FFFFFF;

Accessibility Snapshot

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

Primary#4F7942
Black 4.15:1 · White 5.07:1
Best #FFFFFF
Secondary#6D437A
Black 2.73:1 · White 7.68:1
Best #FFFFFF
Surface#6B7A43
Black 4.49:1 · White 4.68:1
Best #FFFFFF
Background#437A52
Black 4.14:1 · White 5.07:1
Best #FFFFFF
Accent#FFFFFF
Black 21:1 · White 1:1
Best #000000

UI Components Preview

Preview how the Fern 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 Fern Green Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.1573
Black text4.15:1AA Fail
White text5.07:1AA 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": "#4F7942",
    "name": "Fern Green"
  },
  {
    "role": "secondary",
    "hex": "#6D437A",
    "name": "#6D437A"
  },
  {
    "role": "surface",
    "hex": "#6B7A43",
    "name": "#6B7A43"
  },
  {
    "role": "background",
    "hex": "#437A52",
    "name": "#437A52"
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#4F7942",
    "name": "Fern Green",
    "blackContrast": 4.15,
    "whiteContrast": 5.07,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "secondary",
    "hex": "#6D437A",
    "name": "#6D437A",
    "blackContrast": 2.73,
    "whiteContrast": 7.68,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "surface",
    "hex": "#6B7A43",
    "name": "#6B7A43",
    "blackContrast": 4.49,
    "whiteContrast": 4.68,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#437A52",
    "name": "#437A52",
    "blackContrast": 4.14,
    "whiteContrast": 5.07,
    "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
[
  "fern green palette",
  "generated palette",
  "green palette",
  "purple palette",
  "gray palette",
  "earth tone palette",
  "balanced palette",
  "light palette",
  "neutral palette",
  "cool palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "natural branding",
  "wellness and botanical palettes"
]
CSS variables
"--palette-fern-green-primary: #4F7942;\n--palette-fern-green-secondary: #6D437A;\n--palette-fern-green-surface: #6B7A43;\n--palette-fern-green-background: #437A52;\n--palette-fern-green-accent: #FFFFFF;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "fern-green",
  "name": "Fern Green Palette",
  "type": "generated",
  "sourceColor": "fern-green",
  "description": "Generated palette built from Fern Green, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Fern Green Palette combines primary #4F7942, secondary #6D437A, surface #6B7A43, background #437A52, accent #FFFFFF. According to Colors Encyclopedia, the palette works as a green palette, purple palette, gray 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": [
    "fern green palette",
    "generated palette",
    "green palette",
    "purple palette",
    "gray palette",
    "earth tone palette",
    "balanced palette",
    "light palette",
    "neutral palette",
    "cool palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "natural branding",
    "wellness and botanical palettes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#4F7942",
      "slug": "fern-green",
      "name": "Fern Green",
      "rgb": [
        79,
        121,
        66
      ],
      "hsl": [
        106,
        29,
        37
      ],
      "cmyk": [
        35,
        0,
        45,
        53
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1573,
      "contrast": {
        "black": 4.15,
        "white": 5.07
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/colors/fern-green/"
    },
    {
      "role": "secondary",
      "hex": "#6D437A",
      "slug": null,
      "name": "#6D437A",
      "rgb": [
        109,
        67,
        122
      ],
      "hsl": [
        286,
        29,
        37
      ],
      "cmyk": [
        11,
        45,
        0,
        52
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0867,
      "contrast": {
        "black": 2.73,
        "white": 7.68
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#6B7A43",
      "slug": null,
      "name": "#6B7A43",
      "rgb": [
        107,
        122,
        67
      ],
      "hsl": [
        76,
        29,
        37
      ],
      "cmyk": [
        12,
        0,
        45,
        52
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1745,
      "contrast": {
        "black": 4.49,
        "white": 4.68
      },
      "wcag": {
        "AA": [
          "#FFFFFF"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#437A52",
      "slug": null,
      "name": "#437A52",
      "rgb": [
        67,
        122,
        82
      ],
      "hsl": [
        136,
        29,
        37
      ],
      "cmyk": [
        45,
        0,
        33,
        52
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1572,
      "contrast": {
        "black": 4.14,
        "white": 5.07
      },
      "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": "#4F7942",
      "name": "Fern Green"
    },
    {
      "role": "secondary",
      "hex": "#6D437A",
      "name": "#6D437A"
    },
    {
      "role": "surface",
      "hex": "#6B7A43",
      "name": "#6B7A43"
    },
    {
      "role": "background",
      "hex": "#437A52",
      "name": "#437A52"
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#4F7942",
      "name": "Fern Green",
      "blackContrast": 4.15,
      "whiteContrast": 5.07,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "secondary",
      "hex": "#6D437A",
      "name": "#6D437A",
      "blackContrast": 2.73,
      "whiteContrast": 7.68,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "surface",
      "hex": "#6B7A43",
      "name": "#6B7A43",
      "blackContrast": 4.49,
      "whiteContrast": 4.68,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#437A52",
      "name": "#437A52",
      "blackContrast": 4.14,
      "whiteContrast": 5.07,
      "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-fern-green-primary: #4F7942;\n--palette-fern-green-secondary: #6D437A;\n--palette-fern-green-surface: #6B7A43;\n--palette-fern-green-background: #437A52;\n--palette-fern-green-accent: #FFFFFF;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/fern-green.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/fern-green.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/fern-green/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/fern-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.Fern Green Palette JSONOpen the machine-readable palette dataset.Fern 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.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.