Colors Encyclopedia

Named color

Sea Green

Sea Green color #2E8B57: RGB 46, 139, 87 and HSL 146°, 50%, 36%. Explore its cool green profile, contrast, CSS, palettes and harmonies.

#2E8B57 green cool earth-tonejewel-tone
HEX #2E8B57
RGB rgb(46, 139, 87)
HSL hsl(146 50% 36%)
CMYK cmyk(67, 0, 37, 45)
Luminance 0.1973
Contrast Black 4.95:1White 4.25:1

Use this color

Create with Sea Green

Open a professional color tool with #2E8B57 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 Sea 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-sea-green: #2E8B57;
.bg-sea-green { background-color: #2E8B57; }
.text-sea-green { color: #2E8B57; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Sea Green Color

Sea Green uses HEX #2E8B57, RGB 46, 139, 87, and HSL 146°, 50%, 36%. The dataset classifies it in the green family with cool temperature and earth tone and jewel tone visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.1973; black contrast is 4.95:1 and white contrast is 4.25:1, making black the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Sea Green against black and white text.

Black text4.95:1AA Pass
White text4.25:1AA Fail
AA text options#000000
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Sea Green Color Reference Infographic

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

1200 × 800
Sea Green color reference infographic showing #2E8B57, RGB and HSL values, a coordinated palette, and black and white text contrast.
Sea Green color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#8A2E62#8A2E62#348A2E#348A2E#2E8A84#2E8A84#562E8A#562E8A#8A562E#8A562E
Open full Sea Green harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#4FC482#4FC482#17452B#17452B#1A9E53#1A9E53#427658#427658#79BE97#79BE97#00E061#00E061

Pairings

Black#000000#8A2E62#8A2E62#348A2E#348A2E#2E8A84#2E8A84Matte 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
Luminance0.1973
Black text4.95:1AA Pass
White text4.25:1AA 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": "#2E8B57",
  "rgb": [
    46,
    139,
    87
  ],
  "hsl": [
    146,
    50,
    36
  ],
  "cmyk": [
    67,
    0,
    37,
    45
  ],
  "luminance": 0.1973,
  "contrast": {
    "black": 4.95,
    "white": 4.25
  }
}
WCAG
{
  "AA": [
    "#000000"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#8A2E62",
  "analogous": [
    "#348A2E",
    "#2E8A84"
  ],
  "triadic": [
    "#562E8A",
    "#8A562E"
  ],
  "tetradic": [
    "#2E348A",
    "#8A2E62",
    "#8A842E"
  ],
  "splitComplementary": [
    "#842E8A",
    "#8A2E34"
  ],
  "monochromatic": [
    "#4FC482",
    "#2E8B57",
    "#17452B"
  ]
}
Variants
{
  "light": "#4FC482",
  "dark": "#17452B",
  "saturated": "#1A9E53",
  "desaturated": "#427658",
  "pastel": "#79BE97",
  "neon": "#00E061"
}
Pairings
{
  "best": [
    "#000000",
    "#8A2E62",
    "#348A2E",
    "#2E8A84"
  ],
  "avoid": [
    "#427658",
    "#4FC482"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#4FC482",
    "#427658"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "viridian",
    "epoxy-green",
    "alexandrite",
    "hookers-green",
    "fern-green"
  ],
  "generatedPalettes": [
    "sea-green"
  ],
  "generatedComparisons": [
    "sea-green-vs-epoxy-green",
    "sea-green-vs-viridian"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/earth-tone",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/sea-green",
    "/wcag/sea-green",
    "/css/colors/sea-green",
    "/hex/2e8b57",
    "/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",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/sea-green"
    ],
    "related": [
      "/colors/viridian",
      "/colors/epoxy-green",
      "/colors/alexandrite",
      "/colors/hookers-green",
      "/colors/fern-green",
      "/compare/sea-green-vs-epoxy-green",
      "/compare/sea-green-vs-viridian",
      "/harmonies/sea-green",
      "/wcag/sea-green",
      "/css/colors/sea-green",
      "/hex/2e8b57",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "sea-green",
  "name": "Sea Green",
  "cssName": "seagreen",
  "hex": "#2E8B57",
  "family": "green",
  "temperature": "cool",
  "tone": [
    "earth-tone",
    "jewel-tone"
  ],
  "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": [
    "seagreen"
  ],
  "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": [
    "green",
    "cool",
    "earth-tone",
    "jewel-tone",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 67,
  "rgb": [
    46,
    139,
    87
  ],
  "hsl": [
    146,
    50,
    36
  ],
  "cmyk": [
    67,
    0,
    37,
    45
  ],
  "luminance": 0.1973,
  "contrast": {
    "black": 4.95,
    "white": 4.25
  },
  "harmonies": {
    "complementary": "#8A2E62",
    "analogous": [
      "#348A2E",
      "#2E8A84"
    ],
    "triadic": [
      "#562E8A",
      "#8A562E"
    ],
    "tetradic": [
      "#2E348A",
      "#8A2E62",
      "#8A842E"
    ],
    "splitComplementary": [
      "#842E8A",
      "#8A2E34"
    ],
    "monochromatic": [
      "#4FC482",
      "#2E8B57",
      "#17452B"
    ]
  },
  "variants": {
    "light": "#4FC482",
    "dark": "#17452B",
    "saturated": "#1A9E53",
    "desaturated": "#427658",
    "pastel": "#79BE97",
    "neon": "#00E061"
  },
  "wcag": {
    "AA": [
      "#000000"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-sea-green: #2E8B57;",
    "utility": ".bg-sea-green { background-color: #2E8B57; }",
    "textUtility": ".text-sea-green { color: #2E8B57; }"
  },
  "nearestColors": [
    "viridian",
    "epoxy-green",
    "alexandrite",
    "hookers-green",
    "fern-green"
  ],
  "generatedPalettes": [
    "sea-green"
  ],
  "generatedComparisons": [
    "sea-green-vs-epoxy-green",
    "sea-green-vs-viridian"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/earth-tone",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/sea-green",
    "/wcag/sea-green",
    "/css/colors/sea-green",
    "/hex/2e8b57",
    "/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",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/sea-green"
    ],
    "related": [
      "/colors/viridian",
      "/colors/epoxy-green",
      "/colors/alexandrite",
      "/colors/hookers-green",
      "/colors/fern-green",
      "/compare/sea-green-vs-epoxy-green",
      "/compare/sea-green-vs-viridian",
      "/harmonies/sea-green",
      "/wcag/sea-green",
      "/css/colors/sea-green",
      "/hex/2e8b57",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#8A2E62",
      "#348A2E",
      "#2E8A84"
    ],
    "avoid": [
      "#427658",
      "#4FC482"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#4FC482",
      "#427658"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Viridian#40826D
Epoxy Green#4E8A57
Alexandrite#3D8B74
Hookers Green#49796B
Fern Green#4F7942

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.Jewel Tone colorsFind colors with jewel tone visual character.Sea Green accessibilityCheck contrast and WCAG text options for #2E8B57.Sea Green CSS utilitiesUse Sea Green in CSS variables and utility classes.#2E8B57 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Sea Green paletteOpen the generated palette based on Sea Green.Sea Green harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.