Colors Encyclopedia

Generated palette

Green Yellow Palette

Green Yellow Palette: #ADFF2F, #822EFF, #FFEA2E, #43FF2E. Check roles, contrast and CSS variables; open source-color links and JSON.

Green Yellow Palette assigns primary #ADFF2F, secondary #822EFF, surface #FFEA2E, background #43FF2E, accent #000000. The set spans Green, Purple, Yellow, and Gray families with cool, warm, and neutral temperatures. Luminance runs from #000000 at 0 to #ADFF2F at 0.8061; black gives higher contrast on 3 of 5 values.

All palettesSource colorAPI
5colors
Green palettedominant group
5use cases

Palette Color Roles

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

Primary#ADFF2FGreen Yellow
Secondary#822EFF#822EFF
Surface#FFEA2E#FFEA2E
Background#43FF2E#43FF2E
Accent#000000Black

CSS Variables

--palette-green-yellow-primary: #ADFF2F;
--palette-green-yellow-secondary: #822EFF;
--palette-green-yellow-surface: #FFEA2E;
--palette-green-yellow-background: #43FF2E;
--palette-green-yellow-accent: #000000;

Accessibility Snapshot

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

Primary#ADFF2F
Black 17.12:1 · White 1.23:1
Best #000000
Secondary#822EFF
Black 3.78:1 · White 5.55:1
Best #FFFFFF
Surface#FFEA2E
Black 17.06:1 · White 1.23:1
Best #000000
Background#43FF2E
Black 15.58:1 · White 1.35:1
Best #000000
Accent#000000
Black 1:1 · White 21:1
Best #FFFFFF

UI Components Preview

Preview how the Green Yellow 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 Green Yellow Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.8061
Black text17.12:1AA Pass
White text1.23:1AA Fail
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": "#ADFF2F",
    "name": "Green Yellow"
  },
  {
    "role": "secondary",
    "hex": "#822EFF",
    "name": "#822EFF"
  },
  {
    "role": "surface",
    "hex": "#FFEA2E",
    "name": "#FFEA2E"
  },
  {
    "role": "background",
    "hex": "#43FF2E",
    "name": "#43FF2E"
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#ADFF2F",
    "name": "Green Yellow",
    "blackContrast": 17.12,
    "whiteContrast": 1.23,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  {
    "role": "secondary",
    "hex": "#822EFF",
    "name": "#822EFF",
    "blackContrast": 3.78,
    "whiteContrast": 5.55,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "surface",
    "hex": "#FFEA2E",
    "name": "#FFEA2E",
    "blackContrast": 17.06,
    "whiteContrast": 1.23,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  {
    "role": "background",
    "hex": "#43FF2E",
    "name": "#43FF2E",
    "blackContrast": 15.58,
    "whiteContrast": 1.35,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black",
    "blackContrast": 1,
    "whiteContrast": 21,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  }
]
Semantic groups
[
  "green yellow palette",
  "generated palette",
  "green palette",
  "purple palette",
  "yellow palette",
  "gray palette",
  "vibrant palette",
  "dark palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "wellness and botanical palettes"
]
CSS variables
"--palette-green-yellow-primary: #ADFF2F;\n--palette-green-yellow-secondary: #822EFF;\n--palette-green-yellow-surface: #FFEA2E;\n--palette-green-yellow-background: #43FF2E;\n--palette-green-yellow-accent: #000000;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "green-yellow",
  "name": "Green Yellow Palette",
  "type": "generated",
  "sourceColor": "green-yellow",
  "description": "Generated palette built from Green Yellow, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Green Yellow Palette combines primary #ADFF2F, secondary #822EFF, surface #FFEA2E, background #43FF2E, accent #000000. According to Colors Encyclopedia, the palette works as a green palette, purple palette, yellow 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": [
    "green yellow palette",
    "generated palette",
    "green palette",
    "purple palette",
    "yellow palette",
    "gray palette",
    "vibrant palette",
    "dark palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "wellness and botanical palettes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#ADFF2F",
      "slug": "green-yellow",
      "name": "Green Yellow",
      "rgb": [
        173,
        255,
        47
      ],
      "hsl": [
        84,
        100,
        59
      ],
      "cmyk": [
        32,
        0,
        82,
        0
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.8061,
      "contrast": {
        "black": 17.12,
        "white": 1.23
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/green-yellow/"
    },
    {
      "role": "secondary",
      "hex": "#822EFF",
      "slug": null,
      "name": "#822EFF",
      "rgb": [
        130,
        46,
        255
      ],
      "hsl": [
        264,
        100,
        59
      ],
      "cmyk": [
        49,
        82,
        0,
        0
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.1392,
      "contrast": {
        "black": 3.78,
        "white": 5.55
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#FFEA2E",
      "slug": null,
      "name": "#FFEA2E",
      "rgb": [
        255,
        234,
        46
      ],
      "hsl": [
        54,
        100,
        59
      ],
      "cmyk": [
        0,
        8,
        82,
        0
      ],
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.803,
      "contrast": {
        "black": 17.06,
        "white": 1.23
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#43FF2E",
      "slug": null,
      "name": "#43FF2E",
      "rgb": [
        67,
        255,
        46
      ],
      "hsl": [
        114,
        100,
        59
      ],
      "cmyk": [
        74,
        0,
        82,
        0
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.7291,
      "contrast": {
        "black": 15.58,
        "white": 1.35
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "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": "#ADFF2F",
      "name": "Green Yellow"
    },
    {
      "role": "secondary",
      "hex": "#822EFF",
      "name": "#822EFF"
    },
    {
      "role": "surface",
      "hex": "#FFEA2E",
      "name": "#FFEA2E"
    },
    {
      "role": "background",
      "hex": "#43FF2E",
      "name": "#43FF2E"
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#ADFF2F",
      "name": "Green Yellow",
      "blackContrast": 17.12,
      "whiteContrast": 1.23,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    {
      "role": "secondary",
      "hex": "#822EFF",
      "name": "#822EFF",
      "blackContrast": 3.78,
      "whiteContrast": 5.55,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "surface",
      "hex": "#FFEA2E",
      "name": "#FFEA2E",
      "blackContrast": 17.06,
      "whiteContrast": 1.23,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    {
      "role": "background",
      "hex": "#43FF2E",
      "name": "#43FF2E",
      "blackContrast": 15.58,
      "whiteContrast": 1.35,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black",
      "blackContrast": 1,
      "whiteContrast": 21,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    }
  ],
  "cssVariables": "--palette-green-yellow-primary: #ADFF2F;\n--palette-green-yellow-secondary: #822EFF;\n--palette-green-yellow-surface: #FFEA2E;\n--palette-green-yellow-background: #43FF2E;\n--palette-green-yellow-accent: #000000;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/green-yellow.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/green-yellow.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/green-yellow/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/green-yellow.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.Green Yellow Palette JSONOpen the machine-readable palette dataset.Green Yellow colorOpen the source color reference for this generated palette.Green colorsExplore green colors related to this palette.Purple colorsExplore purple colors related to this palette.Yellow colorsExplore yellow colors related to this palette.Gray colorsExplore gray colors related to this palette.Vibrant colorsExplore vibrant colors used in palette systems.Dark colorsExplore dark colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.