Nearest-color comparison

Opal vs Pumice

Opal #A8C3BC vs Pumice #BAC0B4: RGB distance 19.9 and contrast 1.01:1. Compare hue, luminance, saturation, WCAG and practical use.

Opal and Pumice are very close, with an RGB distance of 19.9. Pumice is lighter by 0.0044, and Opal is more saturated by 9 percentage points. Their mutual contrast is 1.01:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.

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 with hue 164°, saturation 18% and luminance 0.5099. Beside Pumice, it is darker and more saturated. Of the two standard text choices, black text gives the higher contrast at 11.2:1.

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 with hue 90°, saturation 9% and luminance 0.5143. Beside Opal, it is lighter and less saturated. Of the two standard text choices, black text gives the higher contrast at 11.29:1.

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 OpalChoose Opal when the design calls for muted green color at #A8C3BC, with cool temperature and 71% HSL lightness.

Choose PumiceChoose Pumice when #BAC0B4, its muted green character, or its 73% HSL lightness is the closer match.

Use togetherTreat them as tonal alternatives or adjacent palette steps, not as text and background. Their contrast is only 1.01:1. They share muted tone characteristics.

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

Downloadable color comparison infographic

Opal vs Pumice Color Comparison Infographic

Save a high-resolution comparison infographic with both HEX colors, visual distance, mutual contrast, and accessibility guidance.

1200 × 800

Opal vs Pumice color comparison infographic showing both HEX colors, RGB and HSL values, color distance, mutual contrast, and accessibility guidance. — Opal vs Pumice color comparison infographic generated from the canonical dataset values shown on this page.

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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"
}