Colors Encyclopedia

Generated palette

Black Palette

Black Palette is a generated palette built from #000000, #FFFFFF, #2E2E2E. According to Colors Encyclopedia, this palette can be used as a CSS-ready color set with linked HEX values, source color context, and machine-readable palette data.

Black Palette combines primary #000000, secondary #FFFFFF, surface #2E2E2E. According to Colors Encyclopedia, the palette works as a gray palette, dark palette, neutral 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.

All palettesSource colorAPI
3colors
Gray palettedominant group
4use cases

Palette Color Roles

Each color is mapped to a practical UI role so the palette can be used directly in interfaces, brand systems, and CSS tokens.

Primary#000000Black
Secondary#FFFFFFWhite
Surface#2E2E2E#2E2E2E

CSS Variables

--palette-black-primary: #000000;
--palette-black-secondary: #FFFFFF;
--palette-black-surface: #2E2E2E;

Accessibility Snapshot

Contrast checks for each palette color against black and white text, with best foreground guidance.

Primary#000000
Black 1:1 · White 21:1
Best #FFFFFF
Secondary#FFFFFF
Black 21:1 · White 1:1
Best #000000
Surface#2E2E2E
Black 1.55:1 · White 13.58:1
Best #FFFFFF

UI Components Preview

A compact preview of how the palette behaves across common interface components.

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 Black Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0
Black text1:1AA Fail
White text21:1AA 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": "#000000",
    "name": "Black"
  },
  {
    "role": "secondary",
    "hex": "#FFFFFF",
    "name": "White"
  },
  {
    "role": "surface",
    "hex": "#2E2E2E",
    "name": "#2E2E2E"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#000000",
    "name": "Black",
    "blackContrast": 1,
    "whiteContrast": 21,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "secondary",
    "hex": "#FFFFFF",
    "name": "White",
    "blackContrast": 21,
    "whiteContrast": 1,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  {
    "role": "surface",
    "hex": "#2E2E2E",
    "name": "#2E2E2E",
    "blackContrast": 1.55,
    "whiteContrast": 13.58,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  }
]
Semantic groups
[
  "black palette",
  "generated palette",
  "gray palette",
  "dark palette",
  "neutral palette",
  "light palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion"
]
CSS variables
"--palette-black-primary: #000000;\n--palette-black-secondary: #FFFFFF;\n--palette-black-surface: #2E2E2E;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "black",
  "name": "Black Palette",
  "type": "generated",
  "sourceColor": "black",
  "description": "Generated palette built from Black, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Black Palette combines primary #000000, secondary #FFFFFF, surface #2E2E2E. According to Colors Encyclopedia, the palette works as a gray palette, dark palette, neutral 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": [
    "black palette",
    "generated palette",
    "gray palette",
    "dark palette",
    "neutral palette",
    "light palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion"
  ],
  "colors": [
    {
      "role": "primary",
      "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/"
    },
    {
      "role": "secondary",
      "hex": "#FFFFFF",
      "slug": "white",
      "name": "White",
      "rgb": [
        255,
        255,
        255
      ],
      "hsl": [
        0,
        0,
        100
      ],
      "cmyk": [
        0,
        0,
        0,
        0
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "light",
        "neutral"
      ],
      "luminance": 1,
      "contrast": {
        "black": 21,
        "white": 1
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/white/"
    },
    {
      "role": "surface",
      "hex": "#2E2E2E",
      "slug": null,
      "name": "#2E2E2E",
      "rgb": [
        46,
        46,
        46
      ],
      "hsl": [
        0,
        0,
        18
      ],
      "cmyk": [
        0,
        0,
        0,
        82
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "dark"
      ],
      "luminance": 0.0273,
      "contrast": {
        "black": 1.55,
        "white": 13.58
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/hex/2e2e2e/"
    }
  ],
  "roles": [
    {
      "role": "primary",
      "hex": "#000000",
      "name": "Black"
    },
    {
      "role": "secondary",
      "hex": "#FFFFFF",
      "name": "White"
    },
    {
      "role": "surface",
      "hex": "#2E2E2E",
      "name": "#2E2E2E"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#000000",
      "name": "Black",
      "blackContrast": 1,
      "whiteContrast": 21,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "secondary",
      "hex": "#FFFFFF",
      "name": "White",
      "blackContrast": 21,
      "whiteContrast": 1,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    {
      "role": "surface",
      "hex": "#2E2E2E",
      "name": "#2E2E2E",
      "blackContrast": 1.55,
      "whiteContrast": 13.58,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    }
  ],
  "cssVariables": "--palette-black-primary: #000000;\n--palette-black-secondary: #FFFFFF;\n--palette-black-surface: #2E2E2E;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/black.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/black.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/black/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/black.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.Black Palette JSONOpen the machine-readable palette dataset.Black colorOpen the source color reference for this generated palette.Gray colorsExplore gray colors related to this palette.Dark colorsExplore dark colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.Light colorsExplore light colors used in palette systems.