Colors Encyclopedia

Generated palette

Rebecca Purple Palette

Rebecca Purple Palette: #663399, #669933, #333399, #993399. Check roles, contrast and CSS variables; open source-color links and JSON.

Rebecca Purple Palette assigns primary #663399, secondary #669933, surface #333399, background #993399, accent #FFFFFF. The set spans Purple, Green, Blue, and Pink families with cool, warm, and neutral temperatures. Luminance runs from #333399 at 0.0537 to #FFFFFF at 1; black gives higher contrast on 2 of 5 values.

All palettesSource colorAPI
5colors
Purple palettedominant group
7use cases

Palette Color Roles

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

Primary#663399Rebecca Purple
Secondary#669933#669933
Surface#333399#333399
Background#993399#993399
Accent#FFFFFFWhite

CSS Variables

--palette-rebecca-purple-primary: #663399;
--palette-rebecca-purple-secondary: #669933;
--palette-rebecca-purple-surface: #333399;
--palette-rebecca-purple-background: #993399;
--palette-rebecca-purple-accent: #FFFFFF;

Accessibility Snapshot

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

Primary#663399
Black 2.5:1 · White 8.41:1
Best #FFFFFF
Secondary#669933
Black 6.17:1 · White 3.4:1
Best #000000
Surface#333399
Black 2.07:1 · White 10.13:1
Best #FFFFFF
Background#993399
Black 3.29:1 · White 6.39:1
Best #FFFFFF
Accent#FFFFFF
Black 21:1 · White 1:1
Best #000000

UI Components Preview

Preview how the Rebecca Purple 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 Rebecca Purple Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.0749
Black text2.5:1AA Fail
White text8.41:1AA 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
Download JSON Open API
Structured sections
Roles
[
  {
    "role": "primary",
    "hex": "#663399",
    "name": "Rebecca Purple"
  },
  {
    "role": "secondary",
    "hex": "#669933",
    "name": "#669933"
  },
  {
    "role": "surface",
    "hex": "#333399",
    "name": "#333399"
  },
  {
    "role": "background",
    "hex": "#993399",
    "name": "#993399"
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#663399",
    "name": "Rebecca Purple",
    "blackContrast": 2.5,
    "whiteContrast": 8.41,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "secondary",
    "hex": "#669933",
    "name": "#669933",
    "blackContrast": 6.17,
    "whiteContrast": 3.4,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "surface",
    "hex": "#333399",
    "name": "#333399",
    "blackContrast": 2.07,
    "whiteContrast": 10.13,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "background",
    "hex": "#993399",
    "name": "#993399",
    "blackContrast": 3.29,
    "whiteContrast": 6.39,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White",
    "blackContrast": 21,
    "whiteContrast": 1,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  }
]
Semantic groups
[
  "rebecca purple palette",
  "generated palette",
  "purple palette",
  "green palette",
  "blue palette",
  "pink palette",
  "gray palette",
  "jewel tone palette",
  "earth tone palette",
  "balanced palette",
  "light palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "natural branding",
  "wellness and botanical palettes",
  "calm digital interfaces"
]
CSS variables
"--palette-rebecca-purple-primary: #663399;\n--palette-rebecca-purple-secondary: #669933;\n--palette-rebecca-purple-surface: #333399;\n--palette-rebecca-purple-background: #993399;\n--palette-rebecca-purple-accent: #FFFFFF;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "rebecca-purple",
  "name": "Rebecca Purple Palette",
  "type": "generated",
  "sourceColor": "rebecca-purple",
  "description": "Generated palette built from Rebecca Purple, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Rebecca Purple Palette combines primary #663399, secondary #669933, surface #333399, background #993399, accent #FFFFFF. According to Colors Encyclopedia, the palette works as a purple palette, green palette, blue 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": [
    "rebecca purple palette",
    "generated palette",
    "purple palette",
    "green palette",
    "blue palette",
    "pink palette",
    "gray palette",
    "jewel tone palette",
    "earth tone palette",
    "balanced palette",
    "light palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "natural branding",
    "wellness and botanical palettes",
    "calm digital interfaces"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#663399",
      "slug": "rebecca-purple",
      "name": "Rebecca Purple",
      "rgb": [
        102,
        51,
        153
      ],
      "hsl": [
        270,
        50,
        40
      ],
      "cmyk": [
        33,
        67,
        0,
        40
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "jewel-tone"
      ],
      "luminance": 0.0749,
      "contrast": {
        "black": 2.5,
        "white": 8.41
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/rebecca-purple/"
    },
    {
      "role": "secondary",
      "hex": "#669933",
      "slug": null,
      "name": "#669933",
      "rgb": [
        102,
        153,
        51
      ],
      "hsl": [
        90,
        50,
        40
      ],
      "cmyk": [
        33,
        0,
        67,
        40
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone",
        "jewel-tone"
      ],
      "luminance": 0.2585,
      "contrast": {
        "black": 6.17,
        "white": 3.4
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#333399",
      "slug": null,
      "name": "#333399",
      "rgb": [
        51,
        51,
        153
      ],
      "hsl": [
        240,
        50,
        40
      ],
      "cmyk": [
        67,
        67,
        0,
        40
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "jewel-tone"
      ],
      "luminance": 0.0537,
      "contrast": {
        "black": 2.07,
        "white": 10.13
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#993399",
      "slug": null,
      "name": "#993399",
      "rgb": [
        153,
        51,
        153
      ],
      "hsl": [
        300,
        50,
        40
      ],
      "cmyk": [
        0,
        67,
        0,
        40
      ],
      "family": "pink",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.1144,
      "contrast": {
        "black": 3.29,
        "white": 6.39
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "accent",
      "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/"
    }
  ],
  "roles": [
    {
      "role": "primary",
      "hex": "#663399",
      "name": "Rebecca Purple"
    },
    {
      "role": "secondary",
      "hex": "#669933",
      "name": "#669933"
    },
    {
      "role": "surface",
      "hex": "#333399",
      "name": "#333399"
    },
    {
      "role": "background",
      "hex": "#993399",
      "name": "#993399"
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#663399",
      "name": "Rebecca Purple",
      "blackContrast": 2.5,
      "whiteContrast": 8.41,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "secondary",
      "hex": "#669933",
      "name": "#669933",
      "blackContrast": 6.17,
      "whiteContrast": 3.4,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "surface",
      "hex": "#333399",
      "name": "#333399",
      "blackContrast": 2.07,
      "whiteContrast": 10.13,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "background",
      "hex": "#993399",
      "name": "#993399",
      "blackContrast": 3.29,
      "whiteContrast": 6.39,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White",
      "blackContrast": 21,
      "whiteContrast": 1,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    }
  ],
  "cssVariables": "--palette-rebecca-purple-primary: #663399;\n--palette-rebecca-purple-secondary: #669933;\n--palette-rebecca-purple-surface: #333399;\n--palette-rebecca-purple-background: #993399;\n--palette-rebecca-purple-accent: #FFFFFF;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/rebecca-purple.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/rebecca-purple.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/rebecca-purple/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/rebecca-purple.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.Rebecca Purple Palette JSONOpen the machine-readable palette dataset.Rebecca Purple colorOpen the source color reference for this generated palette.Purple colorsExplore purple colors related to this palette.Green colorsExplore green colors related to this palette.Blue colorsExplore blue colors related to this palette.Pink colorsExplore pink colors related to this palette.Jewel Tone colorsExplore jewel tone colors used in palette systems.Earth Tone colorsExplore earth tone colors used in palette systems.Balanced colorsExplore balanced colors used in palette systems.Light colorsExplore light colors used in palette systems.