Nearest-color comparison

Grape vs Rebecca Purple

Grape and Rebecca Purple are different purple colors with HEX values #6F2DA8 and #663399. According to Colors Encyclopedia, their RGB distance is 18.5, their contrast ratio is 1.05:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Grape and Rebecca Purple are very close colors. Grape is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.05:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Grape#6F2DA8

Rebecca Purple#663399

Quick Difference Summary

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

RGB distance18.5

Pair contrast1.05:1

Luminance delta0.0059

Hue delta2 deg

Lighter colorGrape

More saturatedGrape

Side-by-Side Color Profiles

purple color

Grape

Grape is #6F2DA8, a cool purple color with jewel tone character. Compared with Rebecca Purple, it is lighter and more saturated. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.

HEX#6F2DA8 RGB111, 45, 168 HSL272, 58, 42 CMYK34, 73, 0, 34 Luminance0.0808 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 Grape, it is darker and less 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 Grape or Rebecca Purple

Choose GrapeGrape is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #6F2DA8.

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

PropertyGrapeRebecca Purple

HEX#6F2DA8#663399

RGB111, 45, 168102, 51, 153

HSL272, 58, 42270, 50, 40

CMYK34, 73, 0, 3433, 67, 0, 40

FamilyPurplePurple

TemperatureCoolCool

ToneJewel ToneJewel Tone

Luminance0.08080.0749

Black contrast2.62:12.5:1

White contrast8.03:18.41:1

Shared tonesJewel Tone

Accessibility and Contrast

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

Grapewhite text - 8.03:1

Rebecca Purplewhite text - 8.41:1

Related Palette Strip

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

Grape#6F2DA8

Rebecca Purple#663399

#9D5ED4#9D5ED4

#945EC9#945EC9

#67A92D#67A92D

#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": "grape",
    "name": "Grape",
    "hex": "#6F2DA8",
    "rgb": [
      111,
      45,
      168
    ],
    "hsl": [
      272,
      58,
      42
    ],
    "cmyk": [
      34,
      73,
      0,
      34
    ],
    "family": "purple",
    "temperature": "cool",
    "tone": [
      "jewel-tone"
    ],
    "luminance": 0.0808,
    "contrast": {
      "black": 2.62,
      "white": 8.03
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 8.03
    },
    "description": "Grape is #6F2DA8, a cool purple color with jewel tone character. Compared with Rebecca Purple, it is lighter and more 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/grape/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/grape.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 Grape, it is darker and less 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": 18.5,
  "contrastRatio": 1.05,
  "hslDelta": {
    "hue": 2,
    "saturation": 8,
    "lightness": 2
  },
  "luminanceDelta": 0.0059,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "jewel-tone"
  ],
  "lighterColor": "Grape",
  "moreSaturatedColor": "Grape"
}

Accessibility

{
  "pairContrastRatio": 1.05,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Grape",
      "background": "#6F2DA8",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 8.03
    },
    {
      "color": "Rebecca Purple",
      "background": "#663399",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 8.41
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Grape is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #6F2DA8.",
  "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/grape-vs-rebecca-purple.json",
  "https://www.colorsencyclopedia.com/api/colors/grape.json",
  "https://www.colorsencyclopedia.com/api/colors/rebecca-purple.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "grape-vs-rebecca-purple",
  "type": "nearest",
  "name": "Grape vs Rebecca Purple",
  "verdict": "Grape and Rebecca Purple are very close colors. Grape is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.05:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Grape and Rebecca Purple are different purple colors with HEX values #6F2DA8 and #663399. According to Colors Encyclopedia, their RGB distance is 18.5, their contrast ratio is 1.05:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 18.5,
  "contrastRatio": 1.05,
  "colors": [
    {
      "slug": "grape",
      "name": "Grape",
      "hex": "#6F2DA8",
      "rgb": [
        111,
        45,
        168
      ],
      "hsl": [
        272,
        58,
        42
      ],
      "cmyk": [
        34,
        73,
        0,
        34
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "jewel-tone"
      ],
      "luminance": 0.0808,
      "contrast": {
        "black": 2.62,
        "white": 8.03
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 8.03
      },
      "description": "Grape is #6F2DA8, a cool purple color with jewel tone character. Compared with Rebecca Purple, it is lighter and more 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/grape/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/grape.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 Grape, it is darker and less 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": 18.5,
    "contrastRatio": 1.05,
    "hslDelta": {
      "hue": 2,
      "saturation": 8,
      "lightness": 2
    },
    "luminanceDelta": 0.0059,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "jewel-tone"
    ],
    "lighterColor": "Grape",
    "moreSaturatedColor": "Grape"
  },
  "accessibility": {
    "pairContrastRatio": 1.05,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Grape",
        "background": "#6F2DA8",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 8.03
      },
      {
        "color": "Rebecca Purple",
        "background": "#663399",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 8.41
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Grape is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #6F2DA8.",
    "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/grape-vs-rebecca-purple.json",
    "https://www.colorsencyclopedia.com/api/colors/grape.json",
    "https://www.colorsencyclopedia.com/api/colors/rebecca-purple.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/grape-vs-rebecca-purple/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/grape-vs-rebecca-purple.json"
}