Colors Encyclopedia

Generated palette

Oxidized Copper Palette

Oxidized Copper Palette: #6E7F80, #816F6E, #6E8179, #6E7781. Check roles, contrast and CSS variables; open source-color links and JSON.

Oxidized Copper Palette assigns primary #6E7F80, secondary #816F6E, surface #6E8179, background #6E7781, accent #000000. The set spans Cyan, Red, Green, and Blue families with cool, warm, and neutral temperatures. Luminance runs from #000000 at 0 to #6E8179 at 0.204; black gives higher contrast on 3 of 5 values.

All palettesSource colorAPI
5colors
Cyan palettedominant group
7use cases

Palette Color Roles

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

Primary#6E7F80Oxidized Copper
Secondary#816F6E#816F6E
Surface#6E8179#6E8179
Background#6E7781#6E7781
Accent#000000Black

CSS Variables

--palette-oxidized-copper-primary: #6E7F80;
--palette-oxidized-copper-secondary: #816F6E;
--palette-oxidized-copper-surface: #6E8179;
--palette-oxidized-copper-background: #6E7781;
--palette-oxidized-copper-accent: #000000;

Accessibility Snapshot

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

Primary#6E7F80
Black 5.01:1 · White 4.19:1
Best #000000
Secondary#816F6E
Black 4.43:1 · White 4.74:1
Best #FFFFFF
Surface#6E8179
Black 5.08:1 · White 4.13:1
Best #000000
Background#6E7781
Black 4.62:1 · White 4.55:1
Best #000000
Accent#000000
Black 1:1 · White 21:1
Best #FFFFFF

UI Components Preview

Preview how the Oxidized Copper 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 Oxidized Copper Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.2005
Black text5.01:1AA Pass
White text4.19:1AA 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": "#6E7F80",
    "name": "Oxidized Copper"
  },
  {
    "role": "secondary",
    "hex": "#816F6E",
    "name": "#816F6E"
  },
  {
    "role": "surface",
    "hex": "#6E8179",
    "name": "#6E8179"
  },
  {
    "role": "background",
    "hex": "#6E7781",
    "name": "#6E7781"
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#6E7F80",
    "name": "Oxidized Copper",
    "blackContrast": 5.01,
    "whiteContrast": 4.19,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "secondary",
    "hex": "#816F6E",
    "name": "#816F6E",
    "blackContrast": 4.43,
    "whiteContrast": 4.74,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "surface",
    "hex": "#6E8179",
    "name": "#6E8179",
    "blackContrast": 5.08,
    "whiteContrast": 4.13,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#6E7781",
    "name": "#6E7781",
    "blackContrast": 4.62,
    "whiteContrast": 4.55,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#FFFFFF"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black",
    "blackContrast": 1,
    "whiteContrast": 21,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  }
]
Semantic groups
[
  "oxidized copper palette",
  "generated palette",
  "cyan palette",
  "red palette",
  "green palette",
  "blue 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",
  "wellness and botanical palettes"
]
CSS variables
"--palette-oxidized-copper-primary: #6E7F80;\n--palette-oxidized-copper-secondary: #816F6E;\n--palette-oxidized-copper-surface: #6E8179;\n--palette-oxidized-copper-background: #6E7781;\n--palette-oxidized-copper-accent: #000000;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "oxidized-copper",
  "name": "Oxidized Copper Palette",
  "type": "generated",
  "sourceColor": "oxidized-copper",
  "description": "Generated palette built from Oxidized Copper, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Oxidized Copper Palette combines primary #6E7F80, secondary #816F6E, surface #6E8179, background #6E7781, accent #000000. According to Colors Encyclopedia, the palette works as a cyan palette, red palette, green 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": [
    "oxidized copper palette",
    "generated palette",
    "cyan palette",
    "red palette",
    "green palette",
    "blue 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",
    "wellness and botanical palettes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#6E7F80",
      "slug": "oxidized-copper",
      "name": "Oxidized Copper",
      "rgb": [
        110,
        127,
        128
      ],
      "hsl": [
        183,
        8,
        47
      ],
      "cmyk": [
        14,
        1,
        0,
        50
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.2005,
      "contrast": {
        "black": 5.01,
        "white": 4.19
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/colors/oxidized-copper/"
    },
    {
      "role": "secondary",
      "hex": "#816F6E",
      "slug": null,
      "name": "#816F6E",
      "rgb": [
        129,
        111,
        110
      ],
      "hsl": [
        3,
        8,
        47
      ],
      "cmyk": [
        0,
        14,
        15,
        49
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "muted"
      ],
      "luminance": 0.1716,
      "contrast": {
        "black": 4.43,
        "white": 4.74
      },
      "wcag": {
        "AA": [
          "#FFFFFF"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#6E8179",
      "slug": null,
      "name": "#6E8179",
      "rgb": [
        110,
        129,
        121
      ],
      "hsl": [
        155,
        8,
        47
      ],
      "cmyk": [
        15,
        0,
        6,
        49
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "muted",
        "earth-tone"
      ],
      "luminance": 0.204,
      "contrast": {
        "black": 5.08,
        "white": 4.13
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#6E7781",
      "slug": null,
      "name": "#6E7781",
      "rgb": [
        110,
        119,
        129
      ],
      "hsl": [
        212,
        8,
        47
      ],
      "cmyk": [
        15,
        8,
        0,
        49
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.1809,
      "contrast": {
        "black": 4.62,
        "white": 4.55
      },
      "wcag": {
        "AA": [
          "#000000",
          "#FFFFFF"
        ],
        "AAA": []
      },
      "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": "#6E7F80",
      "name": "Oxidized Copper"
    },
    {
      "role": "secondary",
      "hex": "#816F6E",
      "name": "#816F6E"
    },
    {
      "role": "surface",
      "hex": "#6E8179",
      "name": "#6E8179"
    },
    {
      "role": "background",
      "hex": "#6E7781",
      "name": "#6E7781"
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#6E7F80",
      "name": "Oxidized Copper",
      "blackContrast": 5.01,
      "whiteContrast": 4.19,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "secondary",
      "hex": "#816F6E",
      "name": "#816F6E",
      "blackContrast": 4.43,
      "whiteContrast": 4.74,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "surface",
      "hex": "#6E8179",
      "name": "#6E8179",
      "blackContrast": 5.08,
      "whiteContrast": 4.13,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#6E7781",
      "name": "#6E7781",
      "blackContrast": 4.62,
      "whiteContrast": 4.55,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#FFFFFF"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black",
      "blackContrast": 1,
      "whiteContrast": 21,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    }
  ],
  "cssVariables": "--palette-oxidized-copper-primary: #6E7F80;\n--palette-oxidized-copper-secondary: #816F6E;\n--palette-oxidized-copper-surface: #6E8179;\n--palette-oxidized-copper-background: #6E7781;\n--palette-oxidized-copper-accent: #000000;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/oxidized-copper.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/oxidized-copper.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/oxidized-copper/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/oxidized-copper.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.Oxidized Copper Palette JSONOpen the machine-readable palette dataset.Oxidized Copper colorOpen the source color reference for this generated palette.Cyan colorsExplore cyan colors related to this palette.Red colorsExplore red colors related to this palette.Green colorsExplore green colors related to this palette.Blue colorsExplore blue colors related to this palette.Muted colorsExplore muted colors used in palette systems.Earth Tone colorsExplore earth tone colors used in palette systems.Dark colorsExplore dark colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.