Colors Encyclopedia

Named color

Sea Green

Sea Green is an earth tone and jewel tone green color with HEX #2E8B57. According to Colors Encyclopedia, it has RGB 46, 139, 87, HSL 146, 50%, 36%, cool temperature, and is useful for web design, CSS color systems, and UI prototyping.

#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

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

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"
  ],
  "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"
    ]
  }
}
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"
  ],
  "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"
    ]
  },
  "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

Color meaning and use

About Sea Green Color

Sea Green sits in the green family with cool temperature and earth tone and jewel tone visual character. Standard CSS named color.

Its common associations include context dependent, which makes it relevant for web interfaces and design systems. In design work, Sea Green is most useful for web design, css color systems, and ui prototyping, especially when paired with black text for stronger contrast.

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.

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

Similar Colors

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

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#2E8A84
Matte Black#1A1A1A
White Smoke#F5F5F5