Colors Encyclopedia

Named color

Light Sea Green

Light Sea Green is a balanced cyan color with HEX #20B2AA. According to Colors Encyclopedia, it has RGB 32, 178, 170, HSL 177, 70%, 41%, cool temperature, and is useful for web design, CSS color systems, and UI prototyping.

#20B2AA cyan cool balanced
HEX #20B2AA
RGB rgb(32, 178, 170)
HSL hsl(177 70% 41%)
CMYK cmyk(82, 0, 4, 30)
Luminance 0.3505
Contrast Black 8.01:1White 2.62:1

CSS Utilities

--color-light-sea-green: #20B2AA;
.bg-light-sea-green { background-color: #20B2AA; }
.text-light-sea-green { color: #20B2AA; }
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
Luminance0.3505
Black text8.01:1AA Pass
White text2.62:1AA 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": "#20B2AA",
  "rgb": [
    32,
    178,
    170
  ],
  "hsl": [
    177,
    70,
    41
  ],
  "cmyk": [
    82,
    0,
    4,
    30
  ],
  "luminance": 0.3505,
  "contrast": {
    "black": 8.01,
    "white": 2.62
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A"
  ],
  "AAA": [
    "#000000"
  ]
}
Harmonies
{
  "complementary": "#B21F27",
  "analogous": [
    "#1FB261",
    "#1F70B2"
  ],
  "triadic": [
    "#AA1FB2",
    "#B2AA1F"
  ],
  "tetradic": [
    "#611FB2",
    "#B21F27",
    "#70B21F"
  ],
  "splitComplementary": [
    "#B21F70",
    "#B2611F"
  ],
  "monochromatic": [
    "#4DE0D8",
    "#20B2AA",
    "#126460"
  ]
}
Variants
{
  "light": "#4DE0D8",
  "dark": "#126460",
  "saturated": "#08C9BF",
  "desaturated": "#369B96",
  "pastel": "#79D8D3",
  "neon": "#00FAED"
}
Pairings
{
  "best": [
    "#000000",
    "#B21F27",
    "#1FB261",
    "#1F70B2"
  ],
  "avoid": [
    "#369B96",
    "#4DE0D8"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#4DE0D8",
    "#369B96"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "manganese-blue",
    "verdigris",
    "persian-green",
    "robin-egg-blue",
    "zircon-blue"
  ],
  "generatedPalettes": [
    "light-sea-green"
  ],
  "generatedComparisons": [
    "light-sea-green-vs-manganese-blue",
    "light-sea-green-vs-verdigris"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/light-sea-green",
    "/wcag/light-sea-green",
    "/css/colors/light-sea-green",
    "/hex/20b2aa"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/balanced"
    ],
    "narrower": [
      "/palettes/light-sea-green"
    ],
    "related": [
      "/colors/manganese-blue",
      "/colors/verdigris",
      "/colors/persian-green",
      "/colors/robin-egg-blue",
      "/colors/zircon-blue",
      "/compare/light-sea-green-vs-manganese-blue",
      "/compare/light-sea-green-vs-verdigris",
      "/harmonies/light-sea-green",
      "/wcag/light-sea-green",
      "/css/colors/light-sea-green",
      "/hex/20b2aa"
    ]
  }
}
Full JSON dataset 
{
  "slug": "light-sea-green",
  "name": "Light Sea Green",
  "cssName": "lightseagreen",
  "hex": "#20B2AA",
  "family": "cyan",
  "temperature": "cool",
  "tone": [
    "balanced"
  ],
  "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": [
    "lightseagreen"
  ],
  "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": [
    "cyan",
    "cool",
    "balanced",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 63,
  "rgb": [
    32,
    178,
    170
  ],
  "hsl": [
    177,
    70,
    41
  ],
  "cmyk": [
    82,
    0,
    4,
    30
  ],
  "luminance": 0.3505,
  "contrast": {
    "black": 8.01,
    "white": 2.62
  },
  "harmonies": {
    "complementary": "#B21F27",
    "analogous": [
      "#1FB261",
      "#1F70B2"
    ],
    "triadic": [
      "#AA1FB2",
      "#B2AA1F"
    ],
    "tetradic": [
      "#611FB2",
      "#B21F27",
      "#70B21F"
    ],
    "splitComplementary": [
      "#B21F70",
      "#B2611F"
    ],
    "monochromatic": [
      "#4DE0D8",
      "#20B2AA",
      "#126460"
    ]
  },
  "variants": {
    "light": "#4DE0D8",
    "dark": "#126460",
    "saturated": "#08C9BF",
    "desaturated": "#369B96",
    "pastel": "#79D8D3",
    "neon": "#00FAED"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A"
    ],
    "AAA": [
      "#000000"
    ]
  },
  "css": {
    "variable": "--color-light-sea-green: #20B2AA;",
    "utility": ".bg-light-sea-green { background-color: #20B2AA; }",
    "textUtility": ".text-light-sea-green { color: #20B2AA; }"
  },
  "nearestColors": [
    "manganese-blue",
    "verdigris",
    "persian-green",
    "robin-egg-blue",
    "zircon-blue"
  ],
  "generatedPalettes": [
    "light-sea-green"
  ],
  "generatedComparisons": [
    "light-sea-green-vs-manganese-blue",
    "light-sea-green-vs-verdigris"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/light-sea-green",
    "/wcag/light-sea-green",
    "/css/colors/light-sea-green",
    "/hex/20b2aa"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/balanced"
    ],
    "narrower": [
      "/palettes/light-sea-green"
    ],
    "related": [
      "/colors/manganese-blue",
      "/colors/verdigris",
      "/colors/persian-green",
      "/colors/robin-egg-blue",
      "/colors/zircon-blue",
      "/compare/light-sea-green-vs-manganese-blue",
      "/compare/light-sea-green-vs-verdigris",
      "/harmonies/light-sea-green",
      "/wcag/light-sea-green",
      "/css/colors/light-sea-green",
      "/hex/20b2aa"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#B21F27",
      "#1FB261",
      "#1F70B2"
    ],
    "avoid": [
      "#369B96",
      "#4DE0D8"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#4DE0D8",
      "#369B96"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Light Sea Green Color

Light Sea Green sits in the cyan family with cool temperature and balanced 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, Light 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

Cyan color familyBrowse named cyan colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Balanced colorsFind colors with balanced visual character.Light Sea Green accessibilityCheck contrast and WCAG text options for #20B2AA.Light Sea Green CSS utilitiesUse Light Sea Green in CSS variables and utility classes.#20B2AA HEX atlasOpen the permanent HEX atlas record for conversions and variants.Light Sea Green paletteOpen the generated palette based on Light Sea Green.Light Sea Green harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

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

Black text8.01:1AA Pass
White text2.62:1AA Fail
AA text options#000000, #1A1A1A
AAA text options#000000
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Manganese Blue#03A89E
Verdigris#43B3AE
Persian Green#00A693
Robin Egg Blue#00CCCC
Zircon Blue#2D9CDB

Color Harmonies

#B21F27#B21F27
#1FB261#1FB261
#1F70B2#1F70B2
#AA1FB2#AA1FB2
#B2AA1F#B2AA1F
Open full Light Sea Green harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#4DE0D8#4DE0D8
#126460#126460
#08C9BF#08C9BF
#369B96#369B96
#79D8D3#79D8D3
#00FAED#00FAED

Pairings

Black#000000
#B21F27#B21F27
#1FB261#1FB261
#1F70B2#1F70B2
Matte Black#1A1A1A
White Smoke#F5F5F5