Colors Encyclopedia

Named color

Medium Sea Green

Medium Sea Green is an earth tone green color with HEX #3CB371. According to Colors Encyclopedia, it has RGB 60, 179, 113, HSL 147, 50%, 47%, cool temperature, and is useful for web design, CSS color systems, and UI prototyping.

#3CB371 green cool earth-tone
HEX #3CB371
RGB rgb(60, 179, 113)
HSL hsl(147 50% 47%)
CMYK cmyk(66, 0, 37, 30)
Luminance 0.3439
Contrast Black 7.88:1White 2.67:1

CSS Utilities

--color-medium-sea-green: #3CB371;
.bg-medium-sea-green { background-color: #3CB371; }
.text-medium-sea-green { color: #3CB371; }
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
Luminance0.3439
Black text7.88:1AA Pass
White text2.67:1AA 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": "#3CB371",
  "rgb": [
    60,
    179,
    113
  ],
  "hsl": [
    147,
    50,
    47
  ],
  "cmyk": [
    66,
    0,
    37,
    30
  ],
  "luminance": 0.3439,
  "contrast": {
    "black": 7.88,
    "white": 2.67
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A"
  ],
  "AAA": [
    "#000000"
  ]
}
Harmonies
{
  "complementary": "#B43C7E",
  "analogous": [
    "#42B43C",
    "#3CB4AE"
  ],
  "triadic": [
    "#723CB4",
    "#B4723C"
  ],
  "tetradic": [
    "#3C42B4",
    "#B43C7E",
    "#B4AE3C"
  ],
  "splitComplementary": [
    "#AE3CB4",
    "#B43C42"
  ],
  "monochromatic": [
    "#79D2A1",
    "#3CB371",
    "#256F46"
  ]
}
Variants
{
  "light": "#79D2A1",
  "dark": "#256F46",
  "saturated": "#22CE6F",
  "desaturated": "#569974",
  "pastel": "#9FD1B5",
  "neon": "#1AFF81"
}
Pairings
{
  "best": [
    "#000000",
    "#B43C7E",
    "#42B43C",
    "#3CB4AE"
  ],
  "avoid": [
    "#569974",
    "#79D2A1"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#79D2A1",
    "#569974"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "emerald",
    "paris-green",
    "alexandrite",
    "viridian",
    "sea-green"
  ],
  "generatedPalettes": [
    "medium-sea-green"
  ],
  "generatedComparisons": [
    "emerald-vs-medium-sea-green",
    "medium-sea-green-vs-paris-green"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/earth-tone"
  ],
  "relatedTools": [
    "/harmonies/medium-sea-green",
    "/wcag/medium-sea-green",
    "/css/colors/medium-sea-green",
    "/hex/3cb371"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/earth-tone"
    ],
    "narrower": [
      "/palettes/medium-sea-green"
    ],
    "related": [
      "/colors/emerald",
      "/colors/paris-green",
      "/colors/alexandrite",
      "/colors/viridian",
      "/colors/sea-green",
      "/compare/emerald-vs-medium-sea-green",
      "/compare/medium-sea-green-vs-paris-green",
      "/harmonies/medium-sea-green",
      "/wcag/medium-sea-green",
      "/css/colors/medium-sea-green",
      "/hex/3cb371"
    ]
  }
}
Full JSON dataset 
{
  "slug": "medium-sea-green",
  "name": "Medium Sea Green",
  "cssName": "mediumseagreen",
  "hex": "#3CB371",
  "family": "green",
  "temperature": "cool",
  "tone": [
    "earth-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": [
    "mediumseagreen"
  ],
  "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",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 67,
  "rgb": [
    60,
    179,
    113
  ],
  "hsl": [
    147,
    50,
    47
  ],
  "cmyk": [
    66,
    0,
    37,
    30
  ],
  "luminance": 0.3439,
  "contrast": {
    "black": 7.88,
    "white": 2.67
  },
  "harmonies": {
    "complementary": "#B43C7E",
    "analogous": [
      "#42B43C",
      "#3CB4AE"
    ],
    "triadic": [
      "#723CB4",
      "#B4723C"
    ],
    "tetradic": [
      "#3C42B4",
      "#B43C7E",
      "#B4AE3C"
    ],
    "splitComplementary": [
      "#AE3CB4",
      "#B43C42"
    ],
    "monochromatic": [
      "#79D2A1",
      "#3CB371",
      "#256F46"
    ]
  },
  "variants": {
    "light": "#79D2A1",
    "dark": "#256F46",
    "saturated": "#22CE6F",
    "desaturated": "#569974",
    "pastel": "#9FD1B5",
    "neon": "#1AFF81"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A"
    ],
    "AAA": [
      "#000000"
    ]
  },
  "css": {
    "variable": "--color-medium-sea-green: #3CB371;",
    "utility": ".bg-medium-sea-green { background-color: #3CB371; }",
    "textUtility": ".text-medium-sea-green { color: #3CB371; }"
  },
  "nearestColors": [
    "emerald",
    "paris-green",
    "alexandrite",
    "viridian",
    "sea-green"
  ],
  "generatedPalettes": [
    "medium-sea-green"
  ],
  "generatedComparisons": [
    "emerald-vs-medium-sea-green",
    "medium-sea-green-vs-paris-green"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/earth-tone"
  ],
  "relatedTools": [
    "/harmonies/medium-sea-green",
    "/wcag/medium-sea-green",
    "/css/colors/medium-sea-green",
    "/hex/3cb371"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/earth-tone"
    ],
    "narrower": [
      "/palettes/medium-sea-green"
    ],
    "related": [
      "/colors/emerald",
      "/colors/paris-green",
      "/colors/alexandrite",
      "/colors/viridian",
      "/colors/sea-green",
      "/compare/emerald-vs-medium-sea-green",
      "/compare/medium-sea-green-vs-paris-green",
      "/harmonies/medium-sea-green",
      "/wcag/medium-sea-green",
      "/css/colors/medium-sea-green",
      "/hex/3cb371"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#B43C7E",
      "#42B43C",
      "#3CB4AE"
    ],
    "avoid": [
      "#569974",
      "#79D2A1"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#79D2A1",
      "#569974"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Medium Sea Green Color

Medium Sea Green sits in the green family with cool temperature and earth 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, Medium 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.Medium Sea Green accessibilityCheck contrast and WCAG text options for #3CB371.Medium Sea Green CSS utilitiesUse Medium Sea Green in CSS variables and utility classes.#3CB371 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Medium Sea Green paletteOpen the generated palette based on Medium Sea Green.Medium Sea Green harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Medium Sea Green against black and white text.

Black text7.88:1AA Pass
White text2.67:1AA Fail
AA text options#000000, #1A1A1A
AAA text options#000000
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Emerald#50C878
Paris Green#50C878
Alexandrite#3D8B74
Viridian#40826D
Sea Green#2E8B57

Color Harmonies

#B43C7E#B43C7E
#42B43C#42B43C
#3CB4AE#3CB4AE
#723CB4#723CB4
#B4723C#B4723C
Open full Medium Sea Green harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#79D2A1#79D2A1
#256F46#256F46
#22CE6F#22CE6F
#569974#569974
#9FD1B5#9FD1B5
#1AFF81#1AFF81

Pairings

Black#000000
#B43C7E#B43C7E
#42B43C#42B43C
#3CB4AE#3CB4AE
Matte Black#1A1A1A
White Smoke#F5F5F5