Generated palette

Asphalt Palette

Asphalt Palette: #2B2B2B, #FFFFFF, #595959. Check roles, contrast and CSS variables; open source-color links and JSON.

Asphalt Palette assigns primary #2B2B2B, secondary #FFFFFF, surface #595959. The set spans Gray families with neutral temperature. Luminance runs from #2B2B2B at 0.0242 to #FFFFFF at 1; black gives higher contrast on 1 of 3 values.

All palettes Source color API

3colors

Gray palettedominant group

5use cases

Palette Color Roles

Asphalt Palette maps 3 colors to practical UI roles for interfaces, brand systems, and CSS tokens.

Primary#2B2B2BAsphalt

Secondary#FFFFFFWhite

Surface#595959#595959

CSS Variables

--palette-asphalt-primary: #2B2B2B;
--palette-asphalt-secondary: #FFFFFF;
--palette-asphalt-surface: #595959;

Accessibility Snapshot

Compare all 3 Asphalt Palette values against black and white text, with the stronger standard foreground identified for each role.

Primary#2B2B2B
Black 1.48:1 · White 14.15:1
Best #FFFFFF

Secondary#FFFFFF
Black 21:1 · White 1:1
Best #000000

Surface#595959
Black 3:1 · White 7:1
Best #FFFFFF

UI Components Preview

Preview how the Asphalt 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.

Luminance0.0242

Black text1.48:1AA Fail

White text14.15:1AA 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

Structured sections

Roles

[
  {
    "role": "primary",
    "hex": "#2B2B2B",
    "name": "Asphalt"
  },
  {
    "role": "secondary",
    "hex": "#FFFFFF",
    "name": "White"
  },
  {
    "role": "surface",
    "hex": "#595959",
    "name": "#595959"
  }
]

Accessibility

[
  {
    "role": "primary",
    "hex": "#2B2B2B",
    "name": "Asphalt",
    "blackContrast": 1.48,
    "whiteContrast": 14.15,
    "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": "#595959",
    "name": "#595959",
    "blackContrast": 3,
    "whiteContrast": 7,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF"
    ]
  }
]

Semantic groups

[
  "asphalt palette",
  "generated palette",
  "gray palette",
  "dark palette",
  "light palette",
  "neutral palette",
  "muted palette"
]

Use cases

[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "quiet UI themes"
]

CSS variables

"--palette-asphalt-primary: #2B2B2B;\n--palette-asphalt-secondary: #FFFFFF;\n--palette-asphalt-surface: #595959;"

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "asphalt",
  "name": "Asphalt Palette",
  "type": "generated",
  "sourceColor": "asphalt",
  "description": "Generated palette built from Asphalt, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Asphalt Palette combines primary #2B2B2B, secondary #FFFFFF, surface #595959. According to Colors Encyclopedia, the palette works as a gray palette, dark palette, light 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": [
    "asphalt palette",
    "generated palette",
    "gray palette",
    "dark palette",
    "light palette",
    "neutral palette",
    "muted palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "quiet UI themes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#2B2B2B",
      "slug": "asphalt",
      "name": "Asphalt",
      "rgb": [
        43,
        43,
        43
      ],
      "hsl": [
        0,
        0,
        17
      ],
      "cmyk": [
        0,
        0,
        0,
        83
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "dark"
      ],
      "luminance": 0.0242,
      "contrast": {
        "black": 1.48,
        "white": 14.15
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/asphalt/"
    },
    {
      "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": "#595959",
      "slug": null,
      "name": "#595959",
      "rgb": [
        89,
        89,
        89
      ],
      "hsl": [
        0,
        0,
        35
      ],
      "cmyk": [
        0,
        0,
        0,
        65
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "muted"
      ],
      "luminance": 0.0999,
      "contrast": {
        "black": 3,
        "white": 7
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF"
        ]
      },
      "url": null
    }
  ],
  "roles": [
    {
      "role": "primary",
      "hex": "#2B2B2B",
      "name": "Asphalt"
    },
    {
      "role": "secondary",
      "hex": "#FFFFFF",
      "name": "White"
    },
    {
      "role": "surface",
      "hex": "#595959",
      "name": "#595959"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#2B2B2B",
      "name": "Asphalt",
      "blackContrast": 1.48,
      "whiteContrast": 14.15,
      "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": "#595959",
      "name": "#595959",
      "blackContrast": 3,
      "whiteContrast": 7,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF"
      ]
    }
  ],
  "cssVariables": "--palette-asphalt-primary: #2B2B2B;\n--palette-asphalt-secondary: #FFFFFF;\n--palette-asphalt-surface: #595959;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/asphalt.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/asphalt.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/asphalt/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/asphalt.json"
}

Asphalt Palette

Palette Color Roles

CSS Variables

Accessibility Snapshot

UI Components Preview

Machine-Readable Asphalt Palette Data (JSON)

Related Palette Guides