Colors Encyclopedia

Named color

Fern Green

Fern Green color #4F7942: RGB 79, 121, 66 and HSL 106°, 29%, 37%. Explore its cool green profile, contrast, CSS, palettes and harmonies.

#4F7942 green cool earth-tone
HEX #4F7942
RGB rgb(79, 121, 66)
HSL hsl(106 29% 37%)
CMYK cmyk(35, 0, 45, 53)
Luminance 0.1573
Contrast Black 4.15:1White 5.07:1

Use this color

Create with Fern Green

Open a professional color tool with #4F7942 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 Fern Green 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-fern-green: #4F7942;
.bg-fern-green { background-color: #4F7942; }
.text-fern-green { color: #4F7942; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Fern Green Color

Fern Green uses HEX #4F7942, RGB 79, 121, 66, and HSL 106°, 29%, 37%. The dataset classifies it in the green family with cool temperature and earth tone visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.1573; black contrast is 4.15:1 and white contrast is 5.07:1, making white the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Fern Green against black and white text.

Black text4.15:1AA Fail
White text5.07:1AA Pass
AA text options#FFFFFF, #F5F5F5
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Fern Green Color Reference Infographic

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

1200 × 800
Fern Green color reference infographic showing #4F7942, RGB and HSL values, a coordinated palette, and black and white text contrast.
Fern Green color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#6D437A#6D437A#6B7A43#6B7A43#437A52#437A52#43507A#43507A#7A4350#7A4350
Open full Fern Green harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#7BAE6B#7BAE6B#293F22#293F22#458E2E#458E2E#5B6558#5B6558#97AC91#97AC91#36E600#36E600

Pairings

White#FFFFFF#6D437A#6D437A#6B7A43#6B7A43#437A52#437A52Matte 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
Luminance0.1573
Black text4.15:1AA Fail
White text5.07:1AA Pass
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": "#4F7942",
  "rgb": [
    79,
    121,
    66
  ],
  "hsl": [
    106,
    29,
    37
  ],
  "cmyk": [
    35,
    0,
    45,
    53
  ],
  "luminance": 0.1573,
  "contrast": {
    "black": 4.15,
    "white": 5.07
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#6D437A",
  "analogous": [
    "#6B7A43",
    "#437A52"
  ],
  "triadic": [
    "#43507A",
    "#7A4350"
  ],
  "tetradic": [
    "#436B7A",
    "#6D437A",
    "#7A5243"
  ],
  "splitComplementary": [
    "#52437A",
    "#7A436B"
  ],
  "monochromatic": [
    "#7BAE6B",
    "#4F7942",
    "#293F22"
  ]
}
Variants
{
  "light": "#7BAE6B",
  "dark": "#293F22",
  "saturated": "#458E2E",
  "desaturated": "#5B6558",
  "pastel": "#97AC91",
  "neon": "#36E600"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#6D437A",
    "#6B7A43",
    "#437A52"
  ],
  "avoid": [
    "#5B6558",
    "#7BAE6B"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#7BAE6B",
    "#5B6558"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "cactus-green",
    "dark-olive-green",
    "epoxy-green",
    "olive-green",
    "hunter-green"
  ],
  "generatedPalettes": [
    "fern-green"
  ],
  "generatedComparisons": [
    "cactus-green-vs-fern-green",
    "fern-green-vs-dark-olive-green"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/earth-tone"
  ],
  "relatedTools": [
    "/harmonies/fern-green",
    "/wcag/fern-green",
    "/css/colors/fern-green",
    "/hex/4f7942",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/earth-tone"
    ],
    "narrower": [
      "/palettes/fern-green"
    ],
    "related": [
      "/colors/cactus-green",
      "/colors/dark-olive-green",
      "/colors/epoxy-green",
      "/colors/olive-green",
      "/colors/hunter-green",
      "/compare/cactus-green-vs-fern-green",
      "/compare/fern-green-vs-dark-olive-green",
      "/harmonies/fern-green",
      "/wcag/fern-green",
      "/css/colors/fern-green",
      "/hex/4f7942",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "fern-green",
  "name": "Fern Green",
  "hex": "#4F7942",
  "uses": [
    "natural palettes",
    "wellness branding",
    "sustainability design"
  ],
  "psychology": {
    "associations": [
      "nature",
      "growth",
      "balance"
    ],
    "contexts": [
      "wellness",
      "outdoor brands",
      "gardening",
      "organic products"
    ],
    "avoidIn": [
      "urgent error states"
    ]
  },
  "aliases": [
    "fern"
  ],
  "sourceType": "curated",
  "confidence": "medium",
  "reviewStatus": "manual",
  "sourceUrl": "https://www.colorsencyclopedia.com/assets/colors.json",
  "origin": {
    "type": "common",
    "notes": "Curated common color reference used in design and editorial color systems."
  },
  "family": "green",
  "temperature": "cool",
  "tone": [
    "earth-tone"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "green",
    "cool",
    "earth-tone",
    "natural-palettes",
    "wellness-branding",
    "sustainability-design",
    "nature",
    "growth",
    "balance"
  ],
  "popularity": 88,
  "rgb": [
    79,
    121,
    66
  ],
  "hsl": [
    106,
    29,
    37
  ],
  "cmyk": [
    35,
    0,
    45,
    53
  ],
  "luminance": 0.1573,
  "contrast": {
    "black": 4.15,
    "white": 5.07
  },
  "harmonies": {
    "complementary": "#6D437A",
    "analogous": [
      "#6B7A43",
      "#437A52"
    ],
    "triadic": [
      "#43507A",
      "#7A4350"
    ],
    "tetradic": [
      "#436B7A",
      "#6D437A",
      "#7A5243"
    ],
    "splitComplementary": [
      "#52437A",
      "#7A436B"
    ],
    "monochromatic": [
      "#7BAE6B",
      "#4F7942",
      "#293F22"
    ]
  },
  "variants": {
    "light": "#7BAE6B",
    "dark": "#293F22",
    "saturated": "#458E2E",
    "desaturated": "#5B6558",
    "pastel": "#97AC91",
    "neon": "#36E600"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-fern-green: #4F7942;",
    "utility": ".bg-fern-green { background-color: #4F7942; }",
    "textUtility": ".text-fern-green { color: #4F7942; }"
  },
  "nearestColors": [
    "cactus-green",
    "dark-olive-green",
    "epoxy-green",
    "olive-green",
    "hunter-green"
  ],
  "generatedPalettes": [
    "fern-green"
  ],
  "generatedComparisons": [
    "cactus-green-vs-fern-green",
    "fern-green-vs-dark-olive-green"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/earth-tone"
  ],
  "relatedTools": [
    "/harmonies/fern-green",
    "/wcag/fern-green",
    "/css/colors/fern-green",
    "/hex/4f7942",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/earth-tone"
    ],
    "narrower": [
      "/palettes/fern-green"
    ],
    "related": [
      "/colors/cactus-green",
      "/colors/dark-olive-green",
      "/colors/epoxy-green",
      "/colors/olive-green",
      "/colors/hunter-green",
      "/compare/cactus-green-vs-fern-green",
      "/compare/fern-green-vs-dark-olive-green",
      "/harmonies/fern-green",
      "/wcag/fern-green",
      "/css/colors/fern-green",
      "/hex/4f7942",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#6D437A",
      "#6B7A43",
      "#437A52"
    ],
    "avoid": [
      "#5B6558",
      "#7BAE6B"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#7BAE6B",
      "#5B6558"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Cactus Green#587156
Dark Olive Green#556B2F
Epoxy Green#4E8A57
Olive Green#708238
Hunter Green#355E3B

Related Color Guides

Green color familyBrowse named green colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Earth Tone colorsFind colors with earth tone visual character.Fern Green accessibilityCheck contrast and WCAG text options for #4F7942.Fern Green CSS utilitiesUse Fern Green in CSS variables and utility classes.#4F7942 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Fern Green paletteOpen the generated palette based on Fern Green.Fern Green harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.