Nearest-color comparison

Ash Gray vs Opal

Ash Gray and Opal are different green colors with HEX values #B2BEB5 and #A8C3BC. According to Colors Encyclopedia, their RGB distance is 13.2, their contrast ratio is 1.02:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Ash Gray and Opal are very close colors. Opal is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.02:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Ash Gray#B2BEB5

Opal#A8C3BC

Quick Difference Summary

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

RGB distance13.2

Pair contrast1.02:1

Luminance delta0.0136

Hue delta29 deg

Lighter colorOpal

More saturatedOpal

Side-by-Side Color Profiles

green color

Ash Gray

Ash Gray is #B2BEB5, a cool green color with muted character. Compared with Opal, it is darker and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.

HEX#B2BEB5 RGB178, 190, 181 HSL135, 8, 72 CMYK6, 0, 5, 25 Luminance0.4963 Best textblack text

Color page WCAG HEX atlas

green color

Opal

Opal is #A8C3BC, a cool green color with muted character. Compared with Ash Gray, it is lighter 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

When to Use Ash Gray or Opal

Choose Ash GrayAsh Gray is better when the design needs muted green character, cool temperature, and the specific HEX value #B2BEB5.

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

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

Technical Comparison Table

PropertyAsh GrayOpal

HEX#B2BEB5#A8C3BC

RGB178, 190, 181168, 195, 188

HSL135, 8, 72164, 18, 71

CMYK6, 0, 5, 2514, 0, 4, 24

FamilyGreenGreen

TemperatureCoolCool

ToneMutedMuted

Luminance0.49630.5099

Black contrast10.93:111.2:1

White contrast1.92:11.88:1

Shared tonesMuted

Accessibility and Contrast

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

Ash Grayblack text - 10.93:1

Opalblack text - 11.2:1

Related Palette Strip

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

Ash Gray#B2BEB5

Opal#A8C3BC

#E3E8E4#E3E8E4

#DEE8E5#DEE8E5

#BDB2BA#BDB2BA

#C2A8AF#C2A8AF

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": "ash-gray",
    "name": "Ash Gray",
    "hex": "#B2BEB5",
    "rgb": [
      178,
      190,
      181
    ],
    "hsl": [
      135,
      8,
      72
    ],
    "cmyk": [
      6,
      0,
      5,
      25
    ],
    "family": "green",
    "temperature": "cool",
    "tone": [
      "muted"
    ],
    "luminance": 0.4963,
    "contrast": {
      "black": 10.93,
      "white": 1.92
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 10.93
    },
    "description": "Ash Gray is #B2BEB5, a cool green color with muted character. Compared with Opal, it is darker and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/ash-gray/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/ash-gray.json"
  },
  {
    "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 Ash Gray, it is lighter 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"
  }
]

Differences

{
  "rgbDistance": 13.2,
  "contrastRatio": 1.02,
  "hslDelta": {
    "hue": 29,
    "saturation": 10,
    "lightness": 1
  },
  "luminanceDelta": 0.0136,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "muted"
  ],
  "lighterColor": "Opal",
  "moreSaturatedColor": "Opal"
}

Accessibility

{
  "pairContrastRatio": 1.02,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Ash Gray",
      "background": "#B2BEB5",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 10.93
    },
    {
      "color": "Opal",
      "background": "#A8C3BC",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 11.2
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Ash Gray is better when the design needs muted green character, cool temperature, and the specific HEX value #B2BEB5.",
  "chooseSecondWhen": "Opal is better when the design needs muted green character, cool temperature, and the specific HEX value #A8C3BC.",
  "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/ash-gray-vs-opal.json",
  "https://www.colorsencyclopedia.com/api/colors/ash-gray.json",
  "https://www.colorsencyclopedia.com/api/colors/opal.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "ash-gray-vs-opal",
  "type": "nearest",
  "name": "Ash Gray vs Opal",
  "verdict": "Ash Gray and Opal are very close colors. Opal is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.02:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Ash Gray and Opal are different green colors with HEX values #B2BEB5 and #A8C3BC. According to Colors Encyclopedia, their RGB distance is 13.2, their contrast ratio is 1.02:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 13.2,
  "contrastRatio": 1.02,
  "colors": [
    {
      "slug": "ash-gray",
      "name": "Ash Gray",
      "hex": "#B2BEB5",
      "rgb": [
        178,
        190,
        181
      ],
      "hsl": [
        135,
        8,
        72
      ],
      "cmyk": [
        6,
        0,
        5,
        25
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.4963,
      "contrast": {
        "black": 10.93,
        "white": 1.92
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 10.93
      },
      "description": "Ash Gray is #B2BEB5, a cool green color with muted character. Compared with Opal, it is darker and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/ash-gray/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/ash-gray.json"
    },
    {
      "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 Ash Gray, it is lighter 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"
    }
  ],
  "differences": {
    "rgbDistance": 13.2,
    "contrastRatio": 1.02,
    "hslDelta": {
      "hue": 29,
      "saturation": 10,
      "lightness": 1
    },
    "luminanceDelta": 0.0136,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "muted"
    ],
    "lighterColor": "Opal",
    "moreSaturatedColor": "Opal"
  },
  "accessibility": {
    "pairContrastRatio": 1.02,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Ash Gray",
        "background": "#B2BEB5",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 10.93
      },
      {
        "color": "Opal",
        "background": "#A8C3BC",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 11.2
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Ash Gray is better when the design needs muted green character, cool temperature, and the specific HEX value #B2BEB5.",
    "chooseSecondWhen": "Opal is better when the design needs muted green character, cool temperature, and the specific HEX value #A8C3BC.",
    "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/ash-gray-vs-opal.json",
    "https://www.colorsencyclopedia.com/api/colors/ash-gray.json",
    "https://www.colorsencyclopedia.com/api/colors/opal.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/ash-gray-vs-opal/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/ash-gray-vs-opal.json"
}