Colors Encyclopedia

Generated palette

Opal Palette

Opal Palette: #A8C3BC, #C2A8AF, #A8C2AE, #A8BCC2. Check roles, contrast and CSS variables; open source-color links and JSON.

Opal Palette assigns primary #A8C3BC, secondary #C2A8AF, surface #A8C2AE, background #A8BCC2, accent #000000. The set spans Green, Pink, Cyan, and Gray families with cool, warm, and neutral temperatures. Luminance runs from #000000 at 0 to #A8C3BC at 0.5099; black gives higher contrast on 4 of 5 values.

All palettesSource colorAPI
5colors
Green palettedominant group
6use cases

Palette Color Roles

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

Primary#A8C3BCOpal
Secondary#C2A8AF#C2A8AF
Surface#A8C2AE#A8C2AE
Background#A8BCC2#A8BCC2
Accent#000000Black

CSS Variables

--palette-opal-primary: #A8C3BC;
--palette-opal-secondary: #C2A8AF;
--palette-opal-surface: #A8C2AE;
--palette-opal-background: #A8BCC2;
--palette-opal-accent: #000000;

Accessibility Snapshot

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

Primary#A8C3BC
Black 11.2:1 · White 1.88:1
Best #000000
Secondary#C2A8AF
Black 9.51:1 · White 2.21:1
Best #000000
Surface#A8C2AE
Black 10.99:1 · White 1.91:1
Best #000000
Background#A8BCC2
Black 10.64:1 · White 1.97:1
Best #000000
Accent#000000
Black 1:1 · White 21:1
Best #FFFFFF

UI Components Preview

Preview how the Opal 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 Opal Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.5099
Black text11.2:1AA Pass
White text1.88:1AA 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": "#A8C3BC",
    "name": "Opal"
  },
  {
    "role": "secondary",
    "hex": "#C2A8AF",
    "name": "#C2A8AF"
  },
  {
    "role": "surface",
    "hex": "#A8C2AE",
    "name": "#A8C2AE"
  },
  {
    "role": "background",
    "hex": "#A8BCC2",
    "name": "#A8BCC2"
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#A8C3BC",
    "name": "Opal",
    "blackContrast": 11.2,
    "whiteContrast": 1.88,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ]
  },
  {
    "role": "secondary",
    "hex": "#C2A8AF",
    "name": "#C2A8AF",
    "blackContrast": 9.51,
    "whiteContrast": 2.21,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ]
  },
  {
    "role": "surface",
    "hex": "#A8C2AE",
    "name": "#A8C2AE",
    "blackContrast": 10.99,
    "whiteContrast": 1.91,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ]
  },
  {
    "role": "background",
    "hex": "#A8BCC2",
    "name": "#A8BCC2",
    "blackContrast": 10.64,
    "whiteContrast": 1.97,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ]
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black",
    "blackContrast": 1,
    "whiteContrast": 21,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  }
]
Semantic groups
[
  "opal palette",
  "generated palette",
  "green palette",
  "pink palette",
  "cyan palette",
  "gray palette",
  "muted palette",
  "dark palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "quiet UI themes",
  "wellness and botanical palettes"
]
CSS variables
"--palette-opal-primary: #A8C3BC;\n--palette-opal-secondary: #C2A8AF;\n--palette-opal-surface: #A8C2AE;\n--palette-opal-background: #A8BCC2;\n--palette-opal-accent: #000000;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "opal",
  "name": "Opal Palette",
  "type": "generated",
  "sourceColor": "opal",
  "description": "Generated palette built from Opal, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Opal Palette combines primary #A8C3BC, secondary #C2A8AF, surface #A8C2AE, background #A8BCC2, accent #000000. According to Colors Encyclopedia, the palette works as a green palette, pink 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": [
    "opal palette",
    "generated palette",
    "green palette",
    "pink palette",
    "cyan palette",
    "gray palette",
    "muted palette",
    "dark palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "quiet UI themes",
    "wellness and botanical palettes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#A8C3BC",
      "slug": "opal",
      "name": "Opal",
      "rgb": [
        168,
        195,
        188
      ],
      "hsl": [
        164,
        18,
        71
      ],
      "cmyk": [
        14,
        0,
        4,
        24
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.5099,
      "contrast": {
        "black": 11.2,
        "white": 1.88
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/opal/"
    },
    {
      "role": "secondary",
      "hex": "#C2A8AF",
      "slug": null,
      "name": "#C2A8AF",
      "rgb": [
        194,
        168,
        175
      ],
      "hsl": [
        344,
        18,
        71
      ],
      "cmyk": [
        0,
        13,
        10,
        24
      ],
      "family": "pink",
      "temperature": "warm",
      "tone": [
        "muted"
      ],
      "luminance": 0.4257,
      "contrast": {
        "black": 9.51,
        "white": 2.21
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#A8C2AE",
      "slug": null,
      "name": "#A8C2AE",
      "rgb": [
        168,
        194,
        174
      ],
      "hsl": [
        134,
        18,
        71
      ],
      "cmyk": [
        13,
        0,
        10,
        24
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.4996,
      "contrast": {
        "black": 10.99,
        "white": 1.91
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#A8BCC2",
      "slug": null,
      "name": "#A8BCC2",
      "rgb": [
        168,
        188,
        194
      ],
      "hsl": [
        194,
        18,
        71
      ],
      "cmyk": [
        13,
        3,
        0,
        24
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.4819,
      "contrast": {
        "black": 10.64,
        "white": 1.97
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "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": "#A8C3BC",
      "name": "Opal"
    },
    {
      "role": "secondary",
      "hex": "#C2A8AF",
      "name": "#C2A8AF"
    },
    {
      "role": "surface",
      "hex": "#A8C2AE",
      "name": "#A8C2AE"
    },
    {
      "role": "background",
      "hex": "#A8BCC2",
      "name": "#A8BCC2"
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#A8C3BC",
      "name": "Opal",
      "blackContrast": 11.2,
      "whiteContrast": 1.88,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ]
    },
    {
      "role": "secondary",
      "hex": "#C2A8AF",
      "name": "#C2A8AF",
      "blackContrast": 9.51,
      "whiteContrast": 2.21,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ]
    },
    {
      "role": "surface",
      "hex": "#A8C2AE",
      "name": "#A8C2AE",
      "blackContrast": 10.99,
      "whiteContrast": 1.91,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ]
    },
    {
      "role": "background",
      "hex": "#A8BCC2",
      "name": "#A8BCC2",
      "blackContrast": 10.64,
      "whiteContrast": 1.97,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ]
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black",
      "blackContrast": 1,
      "whiteContrast": 21,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    }
  ],
  "cssVariables": "--palette-opal-primary: #A8C3BC;\n--palette-opal-secondary: #C2A8AF;\n--palette-opal-surface: #A8C2AE;\n--palette-opal-background: #A8BCC2;\n--palette-opal-accent: #000000;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/opal.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/opal.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/opal/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/opal.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.Opal Palette JSONOpen the machine-readable palette dataset.Opal colorOpen the source color reference for this generated palette.Green colorsExplore green colors related to this palette.Pink colorsExplore pink colors related to this palette.Cyan colorsExplore cyan colors related to this 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.