Nearest-color comparison

Opal vs Pumice

Opal and Pumice are different green colors with HEX values #A8C3BC and #BAC0B4. According to Colors Encyclopedia, their RGB distance is 19.9, their contrast ratio is 1.01:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Opal and Pumice are very close colors. Pumice is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.01:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Opal#A8C3BC

Pumice#BAC0B4

Quick Difference Summary

The main measurable differences between Opal and Pumice across RGB distance, luminance, hue, saturation, and contrast.

RGB distance19.9

Pair contrast1.01:1

Luminance delta0.0044

Hue delta74 deg

Lighter colorPumice

More saturatedOpal

Side-by-Side Color Profiles

green color

Opal

Opal is #A8C3BC, a cool green color with muted character. Compared with Pumice, it is darker and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with black text as the safer foreground option.

HEX#A8C3BC RGB168, 195, 188 HSL164, 18, 71 CMYK14, 0, 4, 24 Luminance0.5099 Best textblack text

Color page WCAG HEX atlas

green color

Pumice

Pumice is #BAC0B4, a cool green color with muted character. Compared with Opal, it is lighter and less saturated. Use it for earth-tone palettes, interior design, and material-inspired branding, with black text as the safer foreground option.

HEX#BAC0B4 RGB186, 192, 180 HSL90, 9, 73 CMYK3, 0, 6, 25 Luminance0.5143 Best textblack text

Color page WCAG HEX atlas

When to Use Opal or Pumice

Choose OpalOpal is better when the design needs muted green character, cool temperature, and the specific HEX value #A8C3BC.

Choose PumicePumice is better when the design needs muted green character, cool temperature, and the specific HEX value #BAC0B4.

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

Technical Comparison Table

PropertyOpalPumice

HEX#A8C3BC#BAC0B4

RGB168, 195, 188186, 192, 180

HSL164, 18, 7190, 9, 73

CMYK14, 0, 4, 243, 0, 6, 25

FamilyGreenGreen

TemperatureCoolCool

ToneMutedMuted

Luminance0.50990.5143

Black contrast11.2:111.29:1

White contrast1.88:11.86:1

Shared tonesMuted

Accessibility and Contrast

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

Opalblack text - 11.2:1

Pumiceblack text - 11.29:1

Related Palette Strip

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

Opal#A8C3BC

Pumice#BAC0B4

#DEE8E5#DEE8E5

#E8EAE6#E8EAE6

#C2A8AF#C2A8AF

#BAB4C0#BAB4C0

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": "opal",
    "name": "Opal",
    "hex": "#A8C3BC",
    "rgb": [
      168,
      195,
      188
    ],
    "hsl": [
      164,
      18,
      71
    ],
    "cmyk": [
      14,
      0,
      4,
      24
    ],
    "family": "green",
    "temperature": "cool",
    "tone": [
      "muted"
    ],
    "luminance": 0.5099,
    "contrast": {
      "black": 11.2,
      "white": 1.88
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 11.2
    },
    "description": "Opal is #A8C3BC, a cool green color with muted character. Compared with Pumice, it is darker and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/opal/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/opal.json"
  },
  {
    "slug": "pumice",
    "name": "Pumice",
    "hex": "#BAC0B4",
    "rgb": [
      186,
      192,
      180
    ],
    "hsl": [
      90,
      9,
      73
    ],
    "cmyk": [
      3,
      0,
      6,
      25
    ],
    "family": "green",
    "temperature": "cool",
    "tone": [
      "muted"
    ],
    "luminance": 0.5143,
    "contrast": {
      "black": 11.29,
      "white": 1.86
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 11.29
    },
    "description": "Pumice is #BAC0B4, a cool green color with muted character. Compared with Opal, it is lighter and less saturated. Use it for earth-tone palettes, interior design, and material-inspired branding, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/pumice/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/pumice.json"
  }
]

Differences

{
  "rgbDistance": 19.9,
  "contrastRatio": 1.01,
  "hslDelta": {
    "hue": 74,
    "saturation": 9,
    "lightness": 2
  },
  "luminanceDelta": 0.0044,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "muted"
  ],
  "lighterColor": "Pumice",
  "moreSaturatedColor": "Opal"
}

Accessibility

{
  "pairContrastRatio": 1.01,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Opal",
      "background": "#A8C3BC",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 11.2
    },
    {
      "color": "Pumice",
      "background": "#BAC0B4",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 11.29
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Opal is better when the design needs muted green character, cool temperature, and the specific HEX value #A8C3BC.",
  "chooseSecondWhen": "Pumice is better when the design needs muted green character, cool temperature, and the specific HEX value #BAC0B4.",
  "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/opal-vs-pumice.json",
  "https://www.colorsencyclopedia.com/api/colors/opal.json",
  "https://www.colorsencyclopedia.com/api/colors/pumice.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "opal-vs-pumice",
  "type": "nearest",
  "name": "Opal vs Pumice",
  "verdict": "Opal and Pumice are very close colors. Pumice is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.01:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Opal and Pumice are different green colors with HEX values #A8C3BC and #BAC0B4. According to Colors Encyclopedia, their RGB distance is 19.9, their contrast ratio is 1.01:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 19.9,
  "contrastRatio": 1.01,
  "colors": [
    {
      "slug": "opal",
      "name": "Opal",
      "hex": "#A8C3BC",
      "rgb": [
        168,
        195,
        188
      ],
      "hsl": [
        164,
        18,
        71
      ],
      "cmyk": [
        14,
        0,
        4,
        24
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.5099,
      "contrast": {
        "black": 11.2,
        "white": 1.88
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 11.2
      },
      "description": "Opal is #A8C3BC, a cool green color with muted character. Compared with Pumice, it is darker and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/opal/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/opal.json"
    },
    {
      "slug": "pumice",
      "name": "Pumice",
      "hex": "#BAC0B4",
      "rgb": [
        186,
        192,
        180
      ],
      "hsl": [
        90,
        9,
        73
      ],
      "cmyk": [
        3,
        0,
        6,
        25
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.5143,
      "contrast": {
        "black": 11.29,
        "white": 1.86
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 11.29
      },
      "description": "Pumice is #BAC0B4, a cool green color with muted character. Compared with Opal, it is lighter and less saturated. Use it for earth-tone palettes, interior design, and material-inspired branding, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/pumice/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/pumice.json"
    }
  ],
  "differences": {
    "rgbDistance": 19.9,
    "contrastRatio": 1.01,
    "hslDelta": {
      "hue": 74,
      "saturation": 9,
      "lightness": 2
    },
    "luminanceDelta": 0.0044,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "muted"
    ],
    "lighterColor": "Pumice",
    "moreSaturatedColor": "Opal"
  },
  "accessibility": {
    "pairContrastRatio": 1.01,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Opal",
        "background": "#A8C3BC",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 11.2
      },
      {
        "color": "Pumice",
        "background": "#BAC0B4",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 11.29
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Opal is better when the design needs muted green character, cool temperature, and the specific HEX value #A8C3BC.",
    "chooseSecondWhen": "Pumice is better when the design needs muted green character, cool temperature, and the specific HEX value #BAC0B4.",
    "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/opal-vs-pumice.json",
    "https://www.colorsencyclopedia.com/api/colors/opal.json",
    "https://www.colorsencyclopedia.com/api/colors/pumice.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/opal-vs-pumice/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/opal-vs-pumice.json"
}