Colors Encyclopedia

Generated palette

Aluminum Palette

Aluminum Palette: #D9DAD9, #D9D8D9, #D9D9D8, #D8D9D9. Check roles, contrast and CSS variables; open source-color links and JSON.

Aluminum Palette assigns primary #D9DAD9, secondary #D9D8D9, surface #D9D9D8, background #D8D9D9, accent #000000. The set spans Gray families with neutral temperature. Luminance runs from #000000 at 0 to #D9DAD9 at 0.699; black gives higher contrast on 4 of 5 values.

All palettesSource colorAPI
5colors
Gray palettedominant group
5use cases

Palette Color Roles

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

Primary#D9DAD9Aluminum
Secondary#D9D8D9#D9D8D9
Surface#D9D9D8#D9D9D8
Background#D8D9D9#D8D9D9
Accent#000000Black

CSS Variables

--palette-aluminum-primary: #D9DAD9;
--palette-aluminum-secondary: #D9D8D9;
--palette-aluminum-surface: #D9D9D8;
--palette-aluminum-background: #D8D9D9;
--palette-aluminum-accent: #000000;

Accessibility Snapshot

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

Primary#D9DAD9
Black 14.98:1 · White 1.4:1
Best #000000
Secondary#D9D8D9
Black 14.77:1 · White 1.42:1
Best #000000
Surface#D9D9D8
Black 14.87:1 · White 1.41:1
Best #000000
Background#D8D9D9
Black 14.85:1 · White 1.41:1
Best #000000
Accent#000000
Black 1:1 · White 21:1
Best #FFFFFF

UI Components Preview

Preview how the Aluminum 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 Aluminum Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.699
Black text14.98:1AA Pass
White text1.4:1AA 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": "#D9DAD9",
    "name": "Aluminum"
  },
  {
    "role": "secondary",
    "hex": "#D9D8D9",
    "name": "#D9D8D9"
  },
  {
    "role": "surface",
    "hex": "#D9D9D8",
    "name": "#D9D9D8"
  },
  {
    "role": "background",
    "hex": "#D8D9D9",
    "name": "#D8D9D9"
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#D9DAD9",
    "name": "Aluminum",
    "blackContrast": 14.98,
    "whiteContrast": 1.4,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  {
    "role": "secondary",
    "hex": "#D9D8D9",
    "name": "#D9D8D9",
    "blackContrast": 14.77,
    "whiteContrast": 1.42,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ]
  },
  {
    "role": "surface",
    "hex": "#D9D9D8",
    "name": "#D9D9D8",
    "blackContrast": 14.87,
    "whiteContrast": 1.41,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  {
    "role": "background",
    "hex": "#D8D9D9",
    "name": "#D8D9D9",
    "blackContrast": 14.85,
    "whiteContrast": 1.41,
    "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
[
  "aluminum palette",
  "generated palette",
  "gray palette",
  "muted palette",
  "dark palette",
  "neutral palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "quiet UI themes"
]
CSS variables
"--palette-aluminum-primary: #D9DAD9;\n--palette-aluminum-secondary: #D9D8D9;\n--palette-aluminum-surface: #D9D9D8;\n--palette-aluminum-background: #D8D9D9;\n--palette-aluminum-accent: #000000;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "aluminum",
  "name": "Aluminum Palette",
  "type": "generated",
  "sourceColor": "aluminum",
  "description": "Generated palette built from Aluminum, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Aluminum Palette combines primary #D9DAD9, secondary #D9D8D9, surface #D9D9D8, background #D8D9D9, accent #000000. According to Colors Encyclopedia, the palette works as a gray palette, muted palette, dark 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": [
    "aluminum palette",
    "generated palette",
    "gray palette",
    "muted palette",
    "dark palette",
    "neutral palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "quiet UI themes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#D9DAD9",
      "slug": "aluminum",
      "name": "Aluminum",
      "rgb": [
        217,
        218,
        217
      ],
      "hsl": [
        120,
        1,
        85
      ],
      "cmyk": [
        0,
        0,
        0,
        15
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "muted"
      ],
      "luminance": 0.699,
      "contrast": {
        "black": 14.98,
        "white": 1.4
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/aluminum/"
    },
    {
      "role": "secondary",
      "hex": "#D9D8D9",
      "slug": null,
      "name": "#D9D8D9",
      "rgb": [
        217,
        216,
        217
      ],
      "hsl": [
        300,
        1,
        85
      ],
      "cmyk": [
        0,
        0,
        0,
        15
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "muted"
      ],
      "luminance": 0.6887,
      "contrast": {
        "black": 14.77,
        "white": 1.42
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#D9D9D8",
      "slug": null,
      "name": "#D9D9D8",
      "rgb": [
        217,
        217,
        216
      ],
      "hsl": [
        60,
        1,
        85
      ],
      "cmyk": [
        0,
        0,
        0,
        15
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "muted"
      ],
      "luminance": 0.6934,
      "contrast": {
        "black": 14.87,
        "white": 1.41
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#D8D9D9",
      "slug": null,
      "name": "#D8D9D9",
      "rgb": [
        216,
        217,
        217
      ],
      "hsl": [
        180,
        1,
        85
      ],
      "cmyk": [
        0,
        0,
        0,
        15
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "muted"
      ],
      "luminance": 0.6923,
      "contrast": {
        "black": 14.85,
        "white": 1.41
      },
      "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": "#D9DAD9",
      "name": "Aluminum"
    },
    {
      "role": "secondary",
      "hex": "#D9D8D9",
      "name": "#D9D8D9"
    },
    {
      "role": "surface",
      "hex": "#D9D9D8",
      "name": "#D9D9D8"
    },
    {
      "role": "background",
      "hex": "#D8D9D9",
      "name": "#D8D9D9"
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#D9DAD9",
      "name": "Aluminum",
      "blackContrast": 14.98,
      "whiteContrast": 1.4,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    {
      "role": "secondary",
      "hex": "#D9D8D9",
      "name": "#D9D8D9",
      "blackContrast": 14.77,
      "whiteContrast": 1.42,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ]
    },
    {
      "role": "surface",
      "hex": "#D9D9D8",
      "name": "#D9D9D8",
      "blackContrast": 14.87,
      "whiteContrast": 1.41,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    {
      "role": "background",
      "hex": "#D8D9D9",
      "name": "#D8D9D9",
      "blackContrast": 14.85,
      "whiteContrast": 1.41,
      "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-aluminum-primary: #D9DAD9;\n--palette-aluminum-secondary: #D9D8D9;\n--palette-aluminum-surface: #D9D9D8;\n--palette-aluminum-background: #D8D9D9;\n--palette-aluminum-accent: #000000;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/aluminum.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/aluminum.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/aluminum/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/aluminum.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.Aluminum Palette JSONOpen the machine-readable palette dataset.Aluminum colorOpen the source color reference for this generated palette.Gray colorsExplore gray colors related to this palette.Muted colorsExplore muted colors used in palette systems.Dark colorsExplore dark colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.