Colors Encyclopedia

Named color

Dark Green

Dark Green is a dark and jewel tone green color with HEX #006400. According to Colors Encyclopedia, it has RGB 0, 100, 0, HSL 120, 100%, 20%, cool temperature, and is useful for web design, CSS color systems, and UI prototyping.

#006400 green cool darkjewel-tone
HEX #006400
RGB rgb(0, 100, 0)
HSL hsl(120 100% 20%)
CMYK cmyk(100, 0, 100, 61)
Luminance 0.0911
Contrast Black 2.82:1White 7.44:1

CSS Utilities

--color-dark-green: #006400;
.bg-dark-green { background-color: #006400; }
.text-dark-green { color: #006400; }
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
Luminance0.0911
Black text2.82:1AA Fail
White text7.44:1AA 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": "#006400",
  "rgb": [
    0,
    100,
    0
  ],
  "hsl": [
    120,
    100,
    20
  ],
  "cmyk": [
    100,
    0,
    100,
    61
  ],
  "luminance": 0.0911,
  "contrast": {
    "black": 2.82,
    "white": 7.44
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": [
    "#FFFFFF"
  ]
}
Harmonies
{
  "complementary": "#660066",
  "analogous": [
    "#336600",
    "#006633"
  ],
  "triadic": [
    "#000066",
    "#660000"
  ],
  "tetradic": [
    "#003366",
    "#660066",
    "#663300"
  ],
  "splitComplementary": [
    "#330066",
    "#660033"
  ],
  "monochromatic": [
    "#00C200",
    "#006400",
    "#000A00"
  ]
}
Variants
{
  "light": "#00C200",
  "dark": "#000A00",
  "saturated": "#006600",
  "desaturated": "#0B5B0B",
  "pastel": "#11D411",
  "neon": "#008F00"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#660066",
    "#336600",
    "#006633"
  ],
  "avoid": [
    "#0B5B0B",
    "#00C200"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#00C200",
    "#0B5B0B"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "emerald-dark",
    "green",
    "british-racing-green",
    "terre-verte",
    "forest-green"
  ],
  "generatedPalettes": [
    "dark-green"
  ],
  "generatedComparisons": [
    "dark-green-vs-emerald-dark",
    "dark-green-vs-green"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/dark",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/dark-green",
    "/wcag/dark-green",
    "/css/colors/dark-green",
    "/hex/006400"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/dark",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/dark-green"
    ],
    "related": [
      "/colors/emerald-dark",
      "/colors/green",
      "/colors/british-racing-green",
      "/colors/terre-verte",
      "/colors/forest-green",
      "/compare/dark-green-vs-emerald-dark",
      "/compare/dark-green-vs-green",
      "/harmonies/dark-green",
      "/wcag/dark-green",
      "/css/colors/dark-green",
      "/hex/006400"
    ]
  }
}
Full JSON dataset 
{
  "slug": "dark-green",
  "name": "Dark Green",
  "cssName": "darkgreen",
  "hex": "#006400",
  "family": "green",
  "temperature": "cool",
  "tone": [
    "dark",
    "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": [
    "darkgreen"
  ],
  "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",
    "dark",
    "jewel-tone",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 67,
  "rgb": [
    0,
    100,
    0
  ],
  "hsl": [
    120,
    100,
    20
  ],
  "cmyk": [
    100,
    0,
    100,
    61
  ],
  "luminance": 0.0911,
  "contrast": {
    "black": 2.82,
    "white": 7.44
  },
  "harmonies": {
    "complementary": "#660066",
    "analogous": [
      "#336600",
      "#006633"
    ],
    "triadic": [
      "#000066",
      "#660000"
    ],
    "tetradic": [
      "#003366",
      "#660066",
      "#663300"
    ],
    "splitComplementary": [
      "#330066",
      "#660033"
    ],
    "monochromatic": [
      "#00C200",
      "#006400",
      "#000A00"
    ]
  },
  "variants": {
    "light": "#00C200",
    "dark": "#000A00",
    "saturated": "#006600",
    "desaturated": "#0B5B0B",
    "pastel": "#11D411",
    "neon": "#008F00"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF"
    ]
  },
  "css": {
    "variable": "--color-dark-green: #006400;",
    "utility": ".bg-dark-green { background-color: #006400; }",
    "textUtility": ".text-dark-green { color: #006400; }"
  },
  "nearestColors": [
    "emerald-dark",
    "green",
    "british-racing-green",
    "terre-verte",
    "forest-green"
  ],
  "generatedPalettes": [
    "dark-green"
  ],
  "generatedComparisons": [
    "dark-green-vs-emerald-dark",
    "dark-green-vs-green"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/dark",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/dark-green",
    "/wcag/dark-green",
    "/css/colors/dark-green",
    "/hex/006400"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/dark",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/dark-green"
    ],
    "related": [
      "/colors/emerald-dark",
      "/colors/green",
      "/colors/british-racing-green",
      "/colors/terre-verte",
      "/colors/forest-green",
      "/compare/dark-green-vs-emerald-dark",
      "/compare/dark-green-vs-green",
      "/harmonies/dark-green",
      "/wcag/dark-green",
      "/css/colors/dark-green",
      "/hex/006400"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#660066",
      "#336600",
      "#006633"
    ],
    "avoid": [
      "#0B5B0B",
      "#00C200"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#00C200",
      "#0B5B0B"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Dark Green Color

Dark Green sits in the green family with cool temperature and dark 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, Dark Green is most useful for web design, css color systems, and ui prototyping, especially when paired with white text for stronger contrast.

Related Color Guides

Green color familyBrowse named green colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Dark colorsFind colors with dark visual character.Jewel Tone colorsFind colors with jewel tone visual character.Dark Green accessibilityCheck contrast and WCAG text options for #006400.Dark Green CSS utilitiesUse Dark Green in CSS variables and utility classes.#006400 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Dark Green paletteOpen the generated palette based on Dark Green.Dark Green harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Dark Green against black and white text.

Black text2.82:1AA Fail
White text7.44:1AA Pass
AA text options#FFFFFF, #F5F5F5
AAA text options#FFFFFF
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Emerald Dark#046307
Green#008000
British Racing Green#004225
Terre Verte#385E0F
Forest Green#228B22

Color Harmonies

#660066#660066
#336600#336600
#006633#006633
#000066#000066
#660000#660000
Open full Dark Green harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#00C200#00C200
#000A00#000A00
#006600#006600
#0B5B0B#0B5B0B
#11D411#11D411
#008F00#008F00

Pairings

White#FFFFFF
#660066#660066
#336600#336600
#006633#006633
Matte Black#1A1A1A
White Smoke#F5F5F5