Colors Encyclopedia

Named color

Viridian

Viridian is an earth tone green color with HEX #40826D. According to Colors Encyclopedia, it has RGB 64, 130, 109, HSL 161, 34%, 38%, cool temperature, and is useful for historical references, pigment palettes, and cultural color systems.

#40826D green cool earth-tone
HEX #40826D
RGB rgb(64, 130, 109)
HSL hsl(161 34% 38%)
CMYK cmyk(51, 0, 16, 49)
Luminance 0.1816
Contrast Black 4.63:1White 4.53:1

CSS Utilities

--color-viridian: #40826D;
.bg-viridian { background-color: #40826D; }
.text-viridian { color: #40826D; }
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
Luminance0.1816
Black text4.63:1AA Pass
White text4.53:1AA 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": "#40826D",
  "rgb": [
    64,
    130,
    109
  ],
  "hsl": [
    161,
    34,
    38
  ],
  "cmyk": [
    51,
    0,
    16,
    49
  ],
  "luminance": 0.1816,
  "contrast": {
    "black": 4.63,
    "white": 4.53
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#FFFFFF"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#824055",
  "analogous": [
    "#40824C",
    "#407682"
  ],
  "triadic": [
    "#6D4082",
    "#826D40"
  ],
  "tetradic": [
    "#4C4082",
    "#824055",
    "#768240"
  ],
  "splitComplementary": [
    "#824076",
    "#824C40"
  ],
  "monochromatic": [
    "#69B59D",
    "#40826D",
    "#224439"
  ]
}
Variants
{
  "light": "#69B59D",
  "dark": "#224439",
  "saturated": "#2B9775",
  "desaturated": "#556D65",
  "pastel": "#8FB3A7",
  "neon": "#00EBA0"
}
Pairings
{
  "best": [
    "#000000",
    "#824055",
    "#40824C",
    "#407682"
  ],
  "avoid": [
    "#556D65",
    "#69B59D"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#69B59D",
    "#556D65"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "alexandrite",
    "hookers-green",
    "epoxy-green",
    "sea-green",
    "aegean-blue"
  ],
  "generatedPalettes": [
    "viridian"
  ],
  "generatedComparisons": [
    "alexandrite-vs-viridian",
    "hookers-green-vs-viridian",
    "sea-green-vs-viridian"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/earth-tone"
  ],
  "relatedTools": [
    "/harmonies/viridian",
    "/wcag/viridian",
    "/css/colors/viridian",
    "/hex/40826d"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/earth-tone"
    ],
    "narrower": [
      "/palettes/viridian"
    ],
    "related": [
      "/colors/alexandrite",
      "/colors/hookers-green",
      "/colors/epoxy-green",
      "/colors/sea-green",
      "/colors/aegean-blue",
      "/compare/alexandrite-vs-viridian",
      "/compare/hookers-green-vs-viridian",
      "/compare/sea-green-vs-viridian",
      "/harmonies/viridian",
      "/wcag/viridian",
      "/css/colors/viridian",
      "/hex/40826d"
    ]
  }
}
Full JSON dataset 
{
  "slug": "viridian",
  "name": "Viridian",
  "hex": "#40826D",
  "uses": [
    "historical references",
    "pigment palettes",
    "cultural color systems"
  ],
  "psychology": {
    "associations": [
      "heritage",
      "craft",
      "specificity"
    ],
    "contexts": [
      "museum design",
      "education",
      "editorial research",
      "cultural references"
    ],
    "avoidIn": [
      "generic unlabeled palette systems"
    ]
  },
  "aliases": [],
  "sourceType": "curated",
  "confidence": "medium",
  "reviewStatus": "manual",
  "sourceUrl": "https://www.colorsencyclopedia.com/assets/colors.json",
  "origin": {
    "type": "common",
    "notes": "Curated common color reference used in design, material, cultural, and editorial color systems."
  },
  "family": "green",
  "temperature": "cool",
  "tone": [
    "earth-tone"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "green",
    "cool",
    "earth-tone",
    "historical-references",
    "pigment-palettes",
    "cultural-color-systems",
    "heritage",
    "craft",
    "specificity"
  ],
  "popularity": 84,
  "rgb": [
    64,
    130,
    109
  ],
  "hsl": [
    161,
    34,
    38
  ],
  "cmyk": [
    51,
    0,
    16,
    49
  ],
  "luminance": 0.1816,
  "contrast": {
    "black": 4.63,
    "white": 4.53
  },
  "harmonies": {
    "complementary": "#824055",
    "analogous": [
      "#40824C",
      "#407682"
    ],
    "triadic": [
      "#6D4082",
      "#826D40"
    ],
    "tetradic": [
      "#4C4082",
      "#824055",
      "#768240"
    ],
    "splitComplementary": [
      "#824076",
      "#824C40"
    ],
    "monochromatic": [
      "#69B59D",
      "#40826D",
      "#224439"
    ]
  },
  "variants": {
    "light": "#69B59D",
    "dark": "#224439",
    "saturated": "#2B9775",
    "desaturated": "#556D65",
    "pastel": "#8FB3A7",
    "neon": "#00EBA0"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#FFFFFF"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-viridian: #40826D;",
    "utility": ".bg-viridian { background-color: #40826D; }",
    "textUtility": ".text-viridian { color: #40826D; }"
  },
  "nearestColors": [
    "alexandrite",
    "hookers-green",
    "epoxy-green",
    "sea-green",
    "aegean-blue"
  ],
  "generatedPalettes": [
    "viridian"
  ],
  "generatedComparisons": [
    "alexandrite-vs-viridian",
    "hookers-green-vs-viridian",
    "sea-green-vs-viridian"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/earth-tone"
  ],
  "relatedTools": [
    "/harmonies/viridian",
    "/wcag/viridian",
    "/css/colors/viridian",
    "/hex/40826d"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/earth-tone"
    ],
    "narrower": [
      "/palettes/viridian"
    ],
    "related": [
      "/colors/alexandrite",
      "/colors/hookers-green",
      "/colors/epoxy-green",
      "/colors/sea-green",
      "/colors/aegean-blue",
      "/compare/alexandrite-vs-viridian",
      "/compare/hookers-green-vs-viridian",
      "/compare/sea-green-vs-viridian",
      "/harmonies/viridian",
      "/wcag/viridian",
      "/css/colors/viridian",
      "/hex/40826d"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#824055",
      "#40824C",
      "#407682"
    ],
    "avoid": [
      "#556D65",
      "#69B59D"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#69B59D",
      "#556D65"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Viridian Color

Viridian sits in the green family with cool temperature and earth tone visual character. Viridian is a commonly used color name in design references, palettes, and editorial color systems.

Its common associations include heritage, craft, and specificity, which makes it relevant for museum design and education. In design work, Viridian is most useful for historical references, pigment palettes, and cultural color systems, 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.Viridian accessibilityCheck contrast and WCAG text options for #40826D.Viridian CSS utilitiesUse Viridian in CSS variables and utility classes.#40826D HEX atlasOpen the permanent HEX atlas record for conversions and variants.Viridian paletteOpen the generated palette based on Viridian.Viridian harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Viridian against black and white text.

Black text4.63:1AA Pass
White text4.53:1AA Pass
AA text options#000000, #FFFFFF
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Alexandrite#3D8B74
Hookers Green#49796B
Epoxy Green#4E8A57
Sea Green#2E8B57
Aegean Blue#4E6E81

Color Harmonies

#824055#824055
#40824C#40824C
#407682#407682
#6D4082#6D4082
#826D40#826D40
Open full Viridian harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#69B59D#69B59D
#224439#224439
#2B9775#2B9775
#556D65#556D65
#8FB3A7#8FB3A7
#00EBA0#00EBA0

Pairings

Black#000000
#824055#824055
#40824C#40824C
#407682#407682
Matte Black#1A1A1A
White Smoke#F5F5F5