Nearest-color comparison

Amethyst vs Medium Purple

Amethyst and Medium Purple are different purple colors with HEX values #9966CC and #9370DB. According to Colors Encyclopedia, their RGB distance is 19, their contrast ratio is 1.09:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Amethyst and Medium Purple are very close colors. Medium Purple is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.09:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Amethyst#9966CC

Medium Purple#9370DB

Quick Difference Summary

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

RGB distance19

Pair contrast1.09:1

Luminance delta0.0228

Hue delta10 deg

Lighter colorMedium Purple

More saturatedMedium Purple

Side-by-Side Color Profiles

purple color

Amethyst

Amethyst is #9966CC, a cool purple color with balanced character. Compared with Medium Purple, it is darker and less saturated. Use it for beauty branding, creative systems, and premium accents, with black text as the safer foreground option.

HEX#9966CC RGB153, 102, 204 HSL270, 50, 60 CMYK25, 50, 0, 20 Luminance0.2063 Best textblack text

Color page WCAG HEX atlas

purple color

Medium Purple

Medium Purple is #9370DB, a cool purple color with balanced character. Compared with Amethyst, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.

HEX#9370DB RGB147, 112, 219 HSL260, 60, 65 CMYK33, 49, 0, 14 Luminance0.2291 Best textblack text

Color page WCAG HEX atlas

When to Use Amethyst or Medium Purple

Choose AmethystAmethyst is better when the design needs balanced purple character, cool temperature, and the specific HEX value #9966CC.

Choose Medium PurpleMedium Purple is better when the design needs balanced purple character, cool temperature, and the specific HEX value #9370DB.

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

Technical Comparison Table

PropertyAmethystMedium Purple

HEX#9966CC#9370DB

RGB153, 102, 204147, 112, 219

HSL270, 50, 60260, 60, 65

CMYK25, 50, 0, 2033, 49, 0, 14

FamilyPurplePurple

TemperatureCoolCool

ToneBalancedBalanced

Luminance0.20630.2291

Black contrast5.13:15.58:1

White contrast4.1:13.76:1

Shared tonesBalanced

Accessibility and Contrast

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

Amethystblack text - 5.13:1

Medium Purpleblack text - 5.58:1

Related Palette Strip

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

Amethyst#9966CC

Medium Purple#9370DB

#C7ABE3#C7ABE3

#CBBAEE#CBBAEE

#99CC66#99CC66

#B8DB70#B8DB70

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": "amethyst",
    "name": "Amethyst",
    "hex": "#9966CC",
    "rgb": [
      153,
      102,
      204
    ],
    "hsl": [
      270,
      50,
      60
    ],
    "cmyk": [
      25,
      50,
      0,
      20
    ],
    "family": "purple",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "luminance": 0.2063,
    "contrast": {
      "black": 5.13,
      "white": 4.1
    },
    "wcag": {
      "AA": [
        "#000000"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.13
    },
    "description": "Amethyst is #9966CC, a cool purple color with balanced character. Compared with Medium Purple, it is darker and less saturated. Use it for beauty branding, creative systems, and premium accents, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/amethyst/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/amethyst.json"
  },
  {
    "slug": "medium-purple",
    "name": "Medium Purple",
    "hex": "#9370DB",
    "rgb": [
      147,
      112,
      219
    ],
    "hsl": [
      260,
      60,
      65
    ],
    "cmyk": [
      33,
      49,
      0,
      14
    ],
    "family": "purple",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "luminance": 0.2291,
    "contrast": {
      "black": 5.58,
      "white": 3.76
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.58
    },
    "description": "Medium Purple is #9370DB, a cool purple color with balanced character. Compared with Amethyst, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/medium-purple/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/medium-purple.json"
  }
]

Differences

{
  "rgbDistance": 19,
  "contrastRatio": 1.09,
  "hslDelta": {
    "hue": 10,
    "saturation": 10,
    "lightness": 5
  },
  "luminanceDelta": 0.0228,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "balanced"
  ],
  "lighterColor": "Medium Purple",
  "moreSaturatedColor": "Medium Purple"
}

Accessibility

{
  "pairContrastRatio": 1.09,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Amethyst",
      "background": "#9966CC",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.13
    },
    {
      "color": "Medium Purple",
      "background": "#9370DB",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.58
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Amethyst is better when the design needs balanced purple character, cool temperature, and the specific HEX value #9966CC.",
  "chooseSecondWhen": "Medium Purple is better when the design needs balanced purple character, cool temperature, and the specific HEX value #9370DB.",
  "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/amethyst-vs-medium-purple.json",
  "https://www.colorsencyclopedia.com/api/colors/amethyst.json",
  "https://www.colorsencyclopedia.com/api/colors/medium-purple.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "amethyst-vs-medium-purple",
  "type": "nearest",
  "name": "Amethyst vs Medium Purple",
  "verdict": "Amethyst and Medium Purple are very close colors. Medium Purple is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.09:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Amethyst and Medium Purple are different purple colors with HEX values #9966CC and #9370DB. According to Colors Encyclopedia, their RGB distance is 19, their contrast ratio is 1.09:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 19,
  "contrastRatio": 1.09,
  "colors": [
    {
      "slug": "amethyst",
      "name": "Amethyst",
      "hex": "#9966CC",
      "rgb": [
        153,
        102,
        204
      ],
      "hsl": [
        270,
        50,
        60
      ],
      "cmyk": [
        25,
        50,
        0,
        20
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.2063,
      "contrast": {
        "black": 5.13,
        "white": 4.1
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.13
      },
      "description": "Amethyst is #9966CC, a cool purple color with balanced character. Compared with Medium Purple, it is darker and less saturated. Use it for beauty branding, creative systems, and premium accents, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/amethyst/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/amethyst.json"
    },
    {
      "slug": "medium-purple",
      "name": "Medium Purple",
      "hex": "#9370DB",
      "rgb": [
        147,
        112,
        219
      ],
      "hsl": [
        260,
        60,
        65
      ],
      "cmyk": [
        33,
        49,
        0,
        14
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.2291,
      "contrast": {
        "black": 5.58,
        "white": 3.76
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.58
      },
      "description": "Medium Purple is #9370DB, a cool purple color with balanced character. Compared with Amethyst, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/medium-purple/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/medium-purple.json"
    }
  ],
  "differences": {
    "rgbDistance": 19,
    "contrastRatio": 1.09,
    "hslDelta": {
      "hue": 10,
      "saturation": 10,
      "lightness": 5
    },
    "luminanceDelta": 0.0228,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "balanced"
    ],
    "lighterColor": "Medium Purple",
    "moreSaturatedColor": "Medium Purple"
  },
  "accessibility": {
    "pairContrastRatio": 1.09,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Amethyst",
        "background": "#9966CC",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.13
      },
      {
        "color": "Medium Purple",
        "background": "#9370DB",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.58
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Amethyst is better when the design needs balanced purple character, cool temperature, and the specific HEX value #9966CC.",
    "chooseSecondWhen": "Medium Purple is better when the design needs balanced purple character, cool temperature, and the specific HEX value #9370DB.",
    "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/amethyst-vs-medium-purple.json",
    "https://www.colorsencyclopedia.com/api/colors/amethyst.json",
    "https://www.colorsencyclopedia.com/api/colors/medium-purple.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/amethyst-vs-medium-purple/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/amethyst-vs-medium-purple.json"
}