Colors Encyclopedia

Generated palette

Viridian Palette

Viridian Palette: #40826D, #824055, #40824C, #407682. Check roles, contrast and CSS variables; open source-color links and JSON.

Viridian Palette assigns primary #40826D, secondary #824055, surface #40824C, background #407682, accent #000000. The set spans Green, Pink, Cyan, and Gray families with cool, warm, and neutral temperatures. Luminance runs from #000000 at 0 to #40826D at 0.1816; black gives higher contrast on 1 of 5 values.

All palettesSource colorAPI
5colors
Green palettedominant group
6use cases

Palette Color Roles

Viridian Palette maps 5 colors to practical UI roles for interfaces, brand systems, and CSS tokens.

Primary#40826DViridian
Secondary#824055#824055
Surface#40824C#40824C
Background#407682#407682
Accent#000000Black

CSS Variables

--palette-viridian-primary: #40826D;
--palette-viridian-secondary: #824055;
--palette-viridian-surface: #40824C;
--palette-viridian-background: #407682;
--palette-viridian-accent: #000000;

Accessibility Snapshot

Compare all 5 Viridian Palette values against black and white text, with the stronger standard foreground identified for each role.

Primary#40826D
Black 4.63:1 · White 4.53:1
Best #000000
Secondary#824055
Black 2.81:1 · White 7.46:1
Best #FFFFFF
Surface#40824C
Black 4.52:1 · White 4.65:1
Best #FFFFFF
Background#407682
Black 4.13:1 · White 5.08:1
Best #FFFFFF
Accent#000000
Black 1:1 · White 21:1
Best #FFFFFF

UI Components Preview

Preview how the Viridian Palette roles behave together across common interface components before copying the CSS variables.

ButtonPrimary action with checked foreground contrast.
CardSurface treatment using palette roles.
AlertBackground, text, and accent roles together.
NavbarSecondary role with accent state.

Machine-readable data

Machine-Readable Viridian Palette Data (JSON)

Structured palette data for Viridian Palette, including color roles, accessibility, semantic groups, use cases, CSS variables, and API links.

AI-Ready Dataset v1.0.0
Luminance0.1816
Black text4.63:1AA Pass
White text4.53:1AA Pass
colorsPalette colors with roles and color systems
rolesPrimary, secondary, surface, background, and accent mapping
accessibilityContrast and WCAG text options by palette color
semanticGroupsAI-readable palette labels
useCasesDesign and implementation contexts
cssVariablesCopy-ready CSS custom properties
Download JSON Open API
Structured sections
Roles
[
  {
    "role": "primary",
    "hex": "#40826D",
    "name": "Viridian"
  },
  {
    "role": "secondary",
    "hex": "#824055",
    "name": "#824055"
  },
  {
    "role": "surface",
    "hex": "#40824C",
    "name": "#40824C"
  },
  {
    "role": "background",
    "hex": "#407682",
    "name": "#407682"
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#40826D",
    "name": "Viridian",
    "blackContrast": 4.63,
    "whiteContrast": 4.53,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#FFFFFF"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "secondary",
    "hex": "#824055",
    "name": "#824055",
    "blackContrast": 2.81,
    "whiteContrast": 7.46,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF"
    ]
  },
  {
    "role": "surface",
    "hex": "#40824C",
    "name": "#40824C",
    "blackContrast": 4.52,
    "whiteContrast": 4.65,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#000000",
      "#FFFFFF"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#407682",
    "name": "#407682",
    "blackContrast": 4.13,
    "whiteContrast": 5.08,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black",
    "blackContrast": 1,
    "whiteContrast": 21,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  }
]
Semantic groups
[
  "viridian palette",
  "generated palette",
  "green palette",
  "pink palette",
  "cyan palette",
  "gray palette",
  "earth tone palette",
  "balanced palette",
  "dark palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "natural branding",
  "wellness and botanical palettes"
]
CSS variables
"--palette-viridian-primary: #40826D;\n--palette-viridian-secondary: #824055;\n--palette-viridian-surface: #40824C;\n--palette-viridian-background: #407682;\n--palette-viridian-accent: #000000;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "viridian",
  "name": "Viridian Palette",
  "type": "generated",
  "sourceColor": "viridian",
  "description": "Generated palette built from Viridian, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Viridian Palette combines primary #40826D, secondary #824055, surface #40824C, background #407682, accent #000000. According to Colors Encyclopedia, the palette works as a green palette, pink palette, cyan palette system for design system tokens, CSS variables, palette reference, and AI color ingestion, with each color mapped to roles, contrast data, CSS tokens, and machine-readable JSON.",
  "semanticGroups": [
    "viridian palette",
    "generated palette",
    "green palette",
    "pink palette",
    "cyan palette",
    "gray palette",
    "earth tone palette",
    "balanced palette",
    "dark palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "natural branding",
    "wellness and botanical palettes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#40826D",
      "slug": "viridian",
      "name": "Viridian",
      "rgb": [
        64,
        130,
        109
      ],
      "hsl": [
        161,
        34,
        38
      ],
      "cmyk": [
        51,
        0,
        16,
        49
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1816,
      "contrast": {
        "black": 4.63,
        "white": 4.53
      },
      "wcag": {
        "AA": [
          "#000000",
          "#FFFFFF"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/colors/viridian/"
    },
    {
      "role": "secondary",
      "hex": "#824055",
      "slug": null,
      "name": "#824055",
      "rgb": [
        130,
        64,
        85
      ],
      "hsl": [
        341,
        34,
        38
      ],
      "cmyk": [
        0,
        51,
        35,
        49
      ],
      "family": "pink",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0907,
      "contrast": {
        "black": 2.81,
        "white": 7.46
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#40824C",
      "slug": null,
      "name": "#40824C",
      "rgb": [
        64,
        130,
        76
      ],
      "hsl": [
        131,
        34,
        38
      ],
      "cmyk": [
        51,
        0,
        42,
        49
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1758,
      "contrast": {
        "black": 4.52,
        "white": 4.65
      },
      "wcag": {
        "AA": [
          "#000000",
          "#FFFFFF"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#407682",
      "slug": null,
      "name": "#407682",
      "rgb": [
        64,
        118,
        130
      ],
      "hsl": [
        191,
        34,
        38
      ],
      "cmyk": [
        51,
        9,
        0,
        49
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.1566,
      "contrast": {
        "black": 4.13,
        "white": 5.08
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "accent",
      "hex": "#000000",
      "slug": "black",
      "name": "Black",
      "rgb": [
        0,
        0,
        0
      ],
      "hsl": [
        0,
        0,
        0
      ],
      "cmyk": [
        0,
        0,
        0,
        100
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "dark",
        "neutral"
      ],
      "luminance": 0,
      "contrast": {
        "black": 1,
        "white": 21
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/black/"
    }
  ],
  "roles": [
    {
      "role": "primary",
      "hex": "#40826D",
      "name": "Viridian"
    },
    {
      "role": "secondary",
      "hex": "#824055",
      "name": "#824055"
    },
    {
      "role": "surface",
      "hex": "#40824C",
      "name": "#40824C"
    },
    {
      "role": "background",
      "hex": "#407682",
      "name": "#407682"
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#40826D",
      "name": "Viridian",
      "blackContrast": 4.63,
      "whiteContrast": 4.53,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#FFFFFF"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "secondary",
      "hex": "#824055",
      "name": "#824055",
      "blackContrast": 2.81,
      "whiteContrast": 7.46,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF"
      ]
    },
    {
      "role": "surface",
      "hex": "#40824C",
      "name": "#40824C",
      "blackContrast": 4.52,
      "whiteContrast": 4.65,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#000000",
        "#FFFFFF"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#407682",
      "name": "#407682",
      "blackContrast": 4.13,
      "whiteContrast": 5.08,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black",
      "blackContrast": 1,
      "whiteContrast": 21,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    }
  ],
  "cssVariables": "--palette-viridian-primary: #40826D;\n--palette-viridian-secondary: #824055;\n--palette-viridian-surface: #40824C;\n--palette-viridian-background: #407682;\n--palette-viridian-accent: #000000;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/viridian.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/viridian.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/viridian/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/viridian.json"
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Related Palette Guides

All color palettesBrowse curated and generated palette references.Viridian Palette JSONOpen the machine-readable palette dataset.Viridian colorOpen the source color reference for this generated palette.Green colorsExplore green colors related to this palette.Pink colorsExplore pink colors related to this palette.Cyan colorsExplore cyan colors related to this palette.Gray colorsExplore gray colors related to this palette.Earth Tone colorsExplore earth tone colors used in palette systems.Balanced colorsExplore balanced colors used in palette systems.Dark colorsExplore dark colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.