Nearest-color comparison

Plum Purple vs Royal Purple

Plum Purple and Royal Purple are different pink and purple colors with HEX values #8E4585 and #7851A9. According to Colors Encyclopedia, their RGB distance is 43.9, their contrast ratio is 1.06:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Plum Purple and Royal Purple are visually related colors. Royal Purple is the lighter option. Plum Purple reads warmer. Their mutual contrast is 1.06:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Plum Purple#8E4585

Royal Purple#7851A9

Quick Difference Summary

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

RGB distance43.9

Pair contrast1.06:1

Luminance delta0.0104

Hue delta40 deg

Lighter colorRoyal Purple

More saturatedPlum Purple

Side-by-Side Color Profiles

pink color

Plum Purple

Plum Purple is #8E4585, a warm pink color with balanced character. Compared with Royal Purple, it is darker and similar in saturation. 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

Royal Purple

Royal Purple is #7851A9, a cool purple color with balanced character. Compared with Plum Purple, it is lighter and similar in saturation. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.

HEX#7851A9 RGB120, 81, 169 HSL267, 35, 49 CMYK29, 52, 0, 34 Luminance0.1274 Best textwhite text

Color page WCAG HEX atlas

When to Use Plum Purple or Royal Purple

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

Choose Royal PurpleRoyal Purple is better when the design needs balanced purple character, cool temperature, and the specific HEX value #7851A9.

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 PurpleRoyal Purple

HEX#8E4585#7851A9

RGB142, 69, 133120, 81, 169

HSL307, 35, 41267, 35, 49

CMYK0, 51, 6, 4429, 52, 0, 34

FamilyPinkPurple

TemperatureWarmCool

ToneBalancedBalanced

Luminance0.1170.1274

Black contrast3.34:13.55:1

White contrast6.29:15.92:1

Shared tonesBalanced

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

Royal Purplewhite text - 5.92:1

Related Palette Strip

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

Plum Purple#8E4585

Royal Purple#7851A9

#BB72B3#BB72B3

#A88DC8#A88DC8

#448D4C#448D4C

#81A951#81A951

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 Royal Purple, it is darker and similar in saturation. 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": "royal-purple",
    "name": "Royal Purple",
    "hex": "#7851A9",
    "rgb": [
      120,
      81,
      169
    ],
    "hsl": [
      267,
      35,
      49
    ],
    "cmyk": [
      29,
      52,
      0,
      34
    ],
    "family": "purple",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "luminance": 0.1274,
    "contrast": {
      "black": 3.55,
      "white": 5.92
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 5.92
    },
    "description": "Royal Purple is #7851A9, a cool purple color with balanced character. Compared with Plum Purple, it is lighter and similar in saturation. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/royal-purple/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/royal-purple.json"
  }
]

Differences

{
  "rgbDistance": 43.9,
  "contrastRatio": 1.06,
  "hslDelta": {
    "hue": 40,
    "saturation": 0,
    "lightness": 8
  },
  "luminanceDelta": 0.0104,
  "sameFamily": false,
  "sameTemperature": false,
  "sharedTones": [
    "balanced"
  ],
  "lighterColor": "Royal Purple",
  "moreSaturatedColor": "Plum Purple"
}

Accessibility

{
  "pairContrastRatio": 1.06,
  "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": "Royal Purple",
      "background": "#7851A9",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 5.92
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Plum Purple is better when the design needs balanced pink character, warm temperature, and the specific HEX value #8E4585.",
  "chooseSecondWhen": "Royal Purple is better when the design needs balanced purple character, cool temperature, and the specific HEX value #7851A9.",
  "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-royal-purple.json",
  "https://www.colorsencyclopedia.com/api/colors/plum-purple.json",
  "https://www.colorsencyclopedia.com/api/colors/royal-purple.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "plum-purple-vs-royal-purple",
  "type": "nearest",
  "name": "Plum Purple vs Royal Purple",
  "verdict": "Plum Purple and Royal Purple are visually related colors. Royal Purple is the lighter option. Plum Purple reads warmer. Their mutual contrast is 1.06:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Plum Purple and Royal Purple are different pink and purple colors with HEX values #8E4585 and #7851A9. According to Colors Encyclopedia, their RGB distance is 43.9, their contrast ratio is 1.06:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 43.9,
  "contrastRatio": 1.06,
  "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 Royal Purple, it is darker and similar in saturation. 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": "royal-purple",
      "name": "Royal Purple",
      "hex": "#7851A9",
      "rgb": [
        120,
        81,
        169
      ],
      "hsl": [
        267,
        35,
        49
      ],
      "cmyk": [
        29,
        52,
        0,
        34
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.1274,
      "contrast": {
        "black": 3.55,
        "white": 5.92
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 5.92
      },
      "description": "Royal Purple is #7851A9, a cool purple color with balanced character. Compared with Plum Purple, it is lighter and similar in saturation. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/royal-purple/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/royal-purple.json"
    }
  ],
  "differences": {
    "rgbDistance": 43.9,
    "contrastRatio": 1.06,
    "hslDelta": {
      "hue": 40,
      "saturation": 0,
      "lightness": 8
    },
    "luminanceDelta": 0.0104,
    "sameFamily": false,
    "sameTemperature": false,
    "sharedTones": [
      "balanced"
    ],
    "lighterColor": "Royal Purple",
    "moreSaturatedColor": "Plum Purple"
  },
  "accessibility": {
    "pairContrastRatio": 1.06,
    "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": "Royal Purple",
        "background": "#7851A9",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 5.92
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Plum Purple is better when the design needs balanced pink character, warm temperature, and the specific HEX value #8E4585.",
    "chooseSecondWhen": "Royal Purple is better when the design needs balanced purple character, cool temperature, and the specific HEX value #7851A9.",
    "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-royal-purple.json",
    "https://www.colorsencyclopedia.com/api/colors/plum-purple.json",
    "https://www.colorsencyclopedia.com/api/colors/royal-purple.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/plum-purple-vs-royal-purple/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/plum-purple-vs-royal-purple.json"
}