Nearest-color comparison

Plum Purple vs Rebecca Purple

Plum Purple and Rebecca Purple are different pink and purple colors with HEX values #8E4585 and #663399. According to Colors Encyclopedia, their RGB distance is 48.2, their contrast ratio is 1.34:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Plum Purple and Rebecca Purple are visually related colors. Plum Purple is the lighter option. Plum Purple reads warmer. Their mutual contrast is 1.34:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Plum Purple#8E4585

Rebecca Purple#663399

Quick Difference Summary

The main measurable differences between Plum Purple and Rebecca Purple across RGB distance, luminance, hue, saturation, and contrast.

RGB distance48.2

Pair contrast1.34:1

Luminance delta0.0421

Hue delta37 deg

Lighter colorPlum Purple

More saturatedRebecca Purple

Side-by-Side Color Profiles

pink color

Plum Purple

Plum Purple is #8E4585, a warm pink color with balanced character. Compared with Rebecca Purple, it is lighter and less saturated. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.

HEX#8E4585 RGB142, 69, 133 HSL307, 35, 41 CMYK0, 51, 6, 44 Luminance0.117 Best textwhite text

Color page WCAG HEX atlas

purple color

Rebecca Purple

Rebecca Purple is #663399, a cool purple color with jewel tone character. Compared with Plum Purple, it is darker and more saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.

HEX#663399 RGB102, 51, 153 HSL270, 50, 40 CMYK33, 67, 0, 40 Luminance0.0749 Best textwhite text

Color page WCAG HEX atlas

When to Use Plum Purple or Rebecca Purple

Choose Plum PurplePlum Purple is better when the design needs balanced pink character, warm temperature, and the specific HEX value #8E4585.

Choose Rebecca PurpleRebecca Purple is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #663399.

Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertyPlum PurpleRebecca Purple

HEX#8E4585#663399

RGB142, 69, 133102, 51, 153

HSL307, 35, 41270, 50, 40

CMYK0, 51, 6, 4433, 67, 0, 40

FamilyPinkPurple

TemperatureWarmCool

ToneBalancedJewel Tone

Luminance0.1170.0749

Black contrast3.34:12.5:1

White contrast6.29:18.41:1

Shared tonesNone

Accessibility and Contrast

Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.

Plum Purplewhite text - 6.29:1

Rebecca Purplewhite text - 8.41:1

Related Palette Strip

A compact visual strip showing the two compared colors with nearby harmony and variant context.

Plum Purple#8E4585

Rebecca Purple#663399

#BB72B3#BB72B3

#945EC9#945EC9

#448D4C#448D4C

#669933#669933

colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and links

differencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributes

accessibilityPair contrast and safer text choices for each color

useCasesWhen to choose each color and when to use them together

relatedApiMachine-readable comparison and color endpoints

Structured sections

Colors

[
  {
    "slug": "plum-purple",
    "name": "Plum Purple",
    "hex": "#8E4585",
    "rgb": [
      142,
      69,
      133
    ],
    "hsl": [
      307,
      35,
      41
    ],
    "cmyk": [
      0,
      51,
      6,
      44
    ],
    "family": "pink",
    "temperature": "warm",
    "tone": [
      "balanced"
    ],
    "luminance": 0.117,
    "contrast": {
      "black": 3.34,
      "white": 6.29
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 6.29
    },
    "description": "Plum Purple is #8E4585, a warm pink color with balanced character. Compared with Rebecca Purple, it is lighter and less saturated. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/plum-purple/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/plum-purple.json"
  },
  {
    "slug": "rebecca-purple",
    "name": "Rebecca Purple",
    "hex": "#663399",
    "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"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 8.41
    },
    "description": "Rebecca Purple is #663399, a cool purple color with jewel tone character. Compared with Plum Purple, it is darker and more saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/rebecca-purple/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/rebecca-purple.json"
  }
]

Differences

{
  "rgbDistance": 48.2,
  "contrastRatio": 1.34,
  "hslDelta": {
    "hue": 37,
    "saturation": 15,
    "lightness": 1
  },
  "luminanceDelta": 0.0421,
  "sameFamily": false,
  "sameTemperature": false,
  "sharedTones": [],
  "lighterColor": "Plum Purple",
  "moreSaturatedColor": "Rebecca Purple"
}

Accessibility

{
  "pairContrastRatio": 1.34,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Plum Purple",
      "background": "#8E4585",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 6.29
    },
    {
      "color": "Rebecca Purple",
      "background": "#663399",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 8.41
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Plum Purple is better when the design needs balanced pink character, warm temperature, and the specific HEX value #8E4585.",
  "chooseSecondWhen": "Rebecca Purple is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #663399.",
  "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
}

Related API

[
  "https://www.colorsencyclopedia.com/api/compare/plum-purple-vs-rebecca-purple.json",
  "https://www.colorsencyclopedia.com/api/colors/plum-purple.json",
  "https://www.colorsencyclopedia.com/api/colors/rebecca-purple.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "plum-purple-vs-rebecca-purple",
  "type": "nearest",
  "name": "Plum Purple vs Rebecca Purple",
  "verdict": "Plum Purple and Rebecca Purple are visually related colors. Plum Purple is the lighter option. Plum Purple reads warmer. Their mutual contrast is 1.34:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Plum Purple and Rebecca Purple are different pink and purple colors with HEX values #8E4585 and #663399. According to Colors Encyclopedia, their RGB distance is 48.2, their contrast ratio is 1.34:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 48.2,
  "contrastRatio": 1.34,
  "colors": [
    {
      "slug": "plum-purple",
      "name": "Plum Purple",
      "hex": "#8E4585",
      "rgb": [
        142,
        69,
        133
      ],
      "hsl": [
        307,
        35,
        41
      ],
      "cmyk": [
        0,
        51,
        6,
        44
      ],
      "family": "pink",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.117,
      "contrast": {
        "black": 3.34,
        "white": 6.29
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 6.29
      },
      "description": "Plum Purple is #8E4585, a warm pink color with balanced character. Compared with Rebecca Purple, it is lighter and less saturated. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/plum-purple/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/plum-purple.json"
    },
    {
      "slug": "rebecca-purple",
      "name": "Rebecca Purple",
      "hex": "#663399",
      "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"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 8.41
      },
      "description": "Rebecca Purple is #663399, a cool purple color with jewel tone character. Compared with Plum Purple, it is darker and more saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/rebecca-purple/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/rebecca-purple.json"
    }
  ],
  "differences": {
    "rgbDistance": 48.2,
    "contrastRatio": 1.34,
    "hslDelta": {
      "hue": 37,
      "saturation": 15,
      "lightness": 1
    },
    "luminanceDelta": 0.0421,
    "sameFamily": false,
    "sameTemperature": false,
    "sharedTones": [],
    "lighterColor": "Plum Purple",
    "moreSaturatedColor": "Rebecca Purple"
  },
  "accessibility": {
    "pairContrastRatio": 1.34,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Plum Purple",
        "background": "#8E4585",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 6.29
      },
      {
        "color": "Rebecca Purple",
        "background": "#663399",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 8.41
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Plum Purple is better when the design needs balanced pink character, warm temperature, and the specific HEX value #8E4585.",
    "chooseSecondWhen": "Rebecca Purple is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #663399.",
    "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
  },
  "relatedApi": [
    "https://www.colorsencyclopedia.com/api/compare/plum-purple-vs-rebecca-purple.json",
    "https://www.colorsencyclopedia.com/api/colors/plum-purple.json",
    "https://www.colorsencyclopedia.com/api/colors/rebecca-purple.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/plum-purple-vs-rebecca-purple/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/plum-purple-vs-rebecca-purple.json"
}