Generated palette

Slate Grey Palette

Slate Grey Palette is a generated palette built from #708090, #90806F, #6F9090, #6F6F90. 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.

Slate Grey Palette combines primary #708090, secondary #90806F, surface #6F9090, background #6F6F90, accent #000000. According to Colors Encyclopedia, the palette works as a blue palette, orange 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.

All palettes Source color API

5colors

Blue palettedominant group

7use 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#708090Slate Grey

Secondary#90806F#90806F

Surface#6F9090#6F9090

Background#6F6F90#6F6F90

Accent#000000Black

CSS Variables

--palette-slate-grey-primary: #708090;
--palette-slate-grey-secondary: #90806F;
--palette-slate-grey-surface: #6F9090;
--palette-slate-grey-background: #6F6F90;
--palette-slate-grey-accent: #000000;

Accessibility Snapshot

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

Primary#708090
Black 5.18:1 · White 4.05:1
Best #000000

Secondary#90806F
Black 5.5:1 · White 3.82:1
Best #000000

Surface#6F9090
Black 6.07:1 · White 3.46:1
Best #000000

Background#6F6F90
Black 4.35:1 · White 4.83:1
Best #FFFFFF

Accent#000000
Black 1:1 · White 21:1
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.

Luminance0.209

Black text5.18:1AA Pass

White text4.05:1AA 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

Structured sections

Roles

[
  {
    "role": "primary",
    "hex": "#708090",
    "name": "Slate Grey"
  },
  {
    "role": "secondary",
    "hex": "#90806F",
    "name": "#90806F"
  },
  {
    "role": "surface",
    "hex": "#6F9090",
    "name": "#6F9090"
  },
  {
    "role": "background",
    "hex": "#6F6F90",
    "name": "#6F6F90"
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black"
  }
]

Accessibility

[
  {
    "role": "primary",
    "hex": "#708090",
    "name": "Slate Grey",
    "blackContrast": 5.18,
    "whiteContrast": 4.05,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "secondary",
    "hex": "#90806F",
    "name": "#90806F",
    "blackContrast": 5.5,
    "whiteContrast": 3.82,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "surface",
    "hex": "#6F9090",
    "name": "#6F9090",
    "blackContrast": 6.07,
    "whiteContrast": 3.46,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#6F6F90",
    "name": "#6F6F90",
    "blackContrast": 4.35,
    "whiteContrast": 4.83,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black",
    "blackContrast": 1,
    "whiteContrast": 21,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  }
]

Semantic groups

[
  "slate grey palette",
  "generated palette",
  "blue palette",
  "orange palette",
  "cyan palette",
  "gray palette",
  "muted palette",
  "earth tone palette",
  "dark palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]

Use cases

[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "quiet UI themes",
  "natural branding",
  "calm digital interfaces"
]

CSS variables

"--palette-slate-grey-primary: #708090;\n--palette-slate-grey-secondary: #90806F;\n--palette-slate-grey-surface: #6F9090;\n--palette-slate-grey-background: #6F6F90;\n--palette-slate-grey-accent: #000000;"

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "slate-grey",
  "name": "Slate Grey Palette",
  "type": "generated",
  "sourceColor": "slate-grey",
  "description": "Generated palette built from Slate Grey, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Slate Grey Palette combines primary #708090, secondary #90806F, surface #6F9090, background #6F6F90, accent #000000. According to Colors Encyclopedia, the palette works as a blue palette, orange 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": [
    "slate grey palette",
    "generated palette",
    "blue palette",
    "orange palette",
    "cyan palette",
    "gray palette",
    "muted palette",
    "earth tone palette",
    "dark palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "quiet UI themes",
    "natural branding",
    "calm digital interfaces"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#708090",
      "slug": "slate-grey",
      "name": "Slate Grey",
      "rgb": [
        112,
        128,
        144
      ],
      "hsl": [
        210,
        13,
        50
      ],
      "cmyk": [
        22,
        11,
        0,
        44
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.209,
      "contrast": {
        "black": 5.18,
        "white": 4.05
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/colors/slate-grey/"
    },
    {
      "role": "secondary",
      "hex": "#90806F",
      "slug": null,
      "name": "#90806F",
      "rgb": [
        144,
        128,
        111
      ],
      "hsl": [
        31,
        13,
        50
      ],
      "cmyk": [
        0,
        11,
        23,
        44
      ],
      "family": "orange",
      "temperature": "warm",
      "tone": [
        "muted",
        "earth-tone"
      ],
      "luminance": 0.2252,
      "contrast": {
        "black": 5.5,
        "white": 3.82
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/hex/90806f/"
    },
    {
      "role": "surface",
      "hex": "#6F9090",
      "slug": null,
      "name": "#6F9090",
      "rgb": [
        111,
        144,
        144
      ],
      "hsl": [
        180,
        13,
        50
      ],
      "cmyk": [
        23,
        0,
        0,
        44
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.2534,
      "contrast": {
        "black": 6.07,
        "white": 3.46
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/hex/6f9090/"
    },
    {
      "role": "background",
      "hex": "#6F6F90",
      "slug": null,
      "name": "#6F6F90",
      "rgb": [
        111,
        111,
        144
      ],
      "hsl": [
        240,
        13,
        50
      ],
      "cmyk": [
        23,
        23,
        0,
        44
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.1676,
      "contrast": {
        "black": 4.35,
        "white": 4.83
      },
      "wcag": {
        "AA": [
          "#FFFFFF"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/hex/6f6f90/"
    },
    {
      "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": "#708090",
      "name": "Slate Grey"
    },
    {
      "role": "secondary",
      "hex": "#90806F",
      "name": "#90806F"
    },
    {
      "role": "surface",
      "hex": "#6F9090",
      "name": "#6F9090"
    },
    {
      "role": "background",
      "hex": "#6F6F90",
      "name": "#6F6F90"
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#708090",
      "name": "Slate Grey",
      "blackContrast": 5.18,
      "whiteContrast": 4.05,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "secondary",
      "hex": "#90806F",
      "name": "#90806F",
      "blackContrast": 5.5,
      "whiteContrast": 3.82,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "surface",
      "hex": "#6F9090",
      "name": "#6F9090",
      "blackContrast": 6.07,
      "whiteContrast": 3.46,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#6F6F90",
      "name": "#6F6F90",
      "blackContrast": 4.35,
      "whiteContrast": 4.83,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black",
      "blackContrast": 1,
      "whiteContrast": 21,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    }
  ],
  "cssVariables": "--palette-slate-grey-primary: #708090;\n--palette-slate-grey-secondary: #90806F;\n--palette-slate-grey-surface: #6F9090;\n--palette-slate-grey-background: #6F6F90;\n--palette-slate-grey-accent: #000000;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/slate-grey.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/slate-grey.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/slate-grey/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/slate-grey.json"
}

Slate Grey Palette

Palette Color Roles

CSS Variables

Accessibility Snapshot

UI Components Preview

Machine-Readable Slate Grey Palette Data (JSON)

Related Palette Guides