Nearest-color comparison

Moonstone vs Fog

Moonstone and Fog are different cyan and blue colors with HEX values #D9E6E8 and #D7DDE0. According to Colors Encyclopedia, their RGB distance is 12.2, their contrast ratio is 1.07:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Moonstone and Fog are very close colors. Moonstone is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.07:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Moonstone#D9E6E8

Fog#D7DDE0

Quick Difference Summary

The main measurable differences between Moonstone and Fog across RGB distance, luminance, hue, saturation, and contrast.

RGB distance12.2

Pair contrast1.07:1

Luminance delta0.0563

Hue delta12 deg

Lighter colorMoonstone

More saturatedMoonstone

Side-by-Side Color Profiles

cyan color

Moonstone

Moonstone is #D9E6E8, a cool cyan color with light character. Compared with Fog, 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#D9E6E8 RGB217, 230, 232 HSL188, 25, 88 CMYK6, 1, 0, 9 Luminance0.7717 Best textblack text

Color page WCAG HEX atlas

blue color

Fog

Fog is #D7DDE0, a cool blue color with light character. Compared with Moonstone, it is darker and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.

HEX#D7DDE0 RGB215, 221, 224 HSL200, 13, 86 CMYK4, 1, 0, 12 Luminance0.7154 Best textblack text

Color page WCAG HEX atlas

When to Use Moonstone or Fog

Choose MoonstoneMoonstone is better when the design needs light cyan character, cool temperature, and the specific HEX value #D9E6E8.

Choose FogFog is better when the design needs light blue character, cool temperature, and the specific HEX value #D7DDE0.

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

Technical Comparison Table

PropertyMoonstoneFog

HEX#D9E6E8#D7DDE0

RGB217, 230, 232215, 221, 224

HSL188, 25, 88200, 13, 86

CMYK6, 1, 0, 94, 1, 0, 12

FamilyCyanBlue

TemperatureCoolCool

ToneLightLight

Luminance0.77170.7154

Black contrast16.43:115.31:1

White contrast1.28:11.37:1

Shared tonesLight

Accessibility and Contrast

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

Moonstoneblack text - 16.43:1

Fogblack text - 15.31:1

Related Palette Strip

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

Moonstone#D9E6E8

Fog#D7DDE0

White#FFFFFF

#E8DBD9#E8DBD9

#E0DAD7#E0DAD7

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": "moonstone",
    "name": "Moonstone",
    "hex": "#D9E6E8",
    "rgb": [
      217,
      230,
      232
    ],
    "hsl": [
      188,
      25,
      88
    ],
    "cmyk": [
      6,
      1,
      0,
      9
    ],
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "light"
    ],
    "luminance": 0.7717,
    "contrast": {
      "black": 16.43,
      "white": 1.28
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 16.43
    },
    "description": "Moonstone is #D9E6E8, a cool cyan color with light character. Compared with Fog, 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/moonstone/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/moonstone.json"
  },
  {
    "slug": "fog",
    "name": "Fog",
    "hex": "#D7DDE0",
    "rgb": [
      215,
      221,
      224
    ],
    "hsl": [
      200,
      13,
      86
    ],
    "cmyk": [
      4,
      1,
      0,
      12
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "light"
    ],
    "luminance": 0.7154,
    "contrast": {
      "black": 15.31,
      "white": 1.37
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 15.31
    },
    "description": "Fog is #D7DDE0, a cool blue color with light character. Compared with Moonstone, 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/fog/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/fog.json"
  }
]

Differences

{
  "rgbDistance": 12.2,
  "contrastRatio": 1.07,
  "hslDelta": {
    "hue": 12,
    "saturation": 12,
    "lightness": 2
  },
  "luminanceDelta": 0.0563,
  "sameFamily": false,
  "sameTemperature": true,
  "sharedTones": [
    "light"
  ],
  "lighterColor": "Moonstone",
  "moreSaturatedColor": "Moonstone"
}

Accessibility

{
  "pairContrastRatio": 1.07,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Moonstone",
      "background": "#D9E6E8",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 16.43
    },
    {
      "color": "Fog",
      "background": "#D7DDE0",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 15.31
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Moonstone is better when the design needs light cyan character, cool temperature, and the specific HEX value #D9E6E8.",
  "chooseSecondWhen": "Fog is better when the design needs light blue character, cool temperature, and the specific HEX value #D7DDE0.",
  "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/moonstone-vs-fog.json",
  "https://www.colorsencyclopedia.com/api/colors/moonstone.json",
  "https://www.colorsencyclopedia.com/api/colors/fog.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "moonstone-vs-fog",
  "type": "nearest",
  "name": "Moonstone vs Fog",
  "verdict": "Moonstone and Fog are very close colors. Moonstone is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.07:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Moonstone and Fog are different cyan and blue colors with HEX values #D9E6E8 and #D7DDE0. According to Colors Encyclopedia, their RGB distance is 12.2, their contrast ratio is 1.07:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 12.2,
  "contrastRatio": 1.07,
  "colors": [
    {
      "slug": "moonstone",
      "name": "Moonstone",
      "hex": "#D9E6E8",
      "rgb": [
        217,
        230,
        232
      ],
      "hsl": [
        188,
        25,
        88
      ],
      "cmyk": [
        6,
        1,
        0,
        9
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "light"
      ],
      "luminance": 0.7717,
      "contrast": {
        "black": 16.43,
        "white": 1.28
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 16.43
      },
      "description": "Moonstone is #D9E6E8, a cool cyan color with light character. Compared with Fog, 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/moonstone/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/moonstone.json"
    },
    {
      "slug": "fog",
      "name": "Fog",
      "hex": "#D7DDE0",
      "rgb": [
        215,
        221,
        224
      ],
      "hsl": [
        200,
        13,
        86
      ],
      "cmyk": [
        4,
        1,
        0,
        12
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "light"
      ],
      "luminance": 0.7154,
      "contrast": {
        "black": 15.31,
        "white": 1.37
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 15.31
      },
      "description": "Fog is #D7DDE0, a cool blue color with light character. Compared with Moonstone, 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/fog/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/fog.json"
    }
  ],
  "differences": {
    "rgbDistance": 12.2,
    "contrastRatio": 1.07,
    "hslDelta": {
      "hue": 12,
      "saturation": 12,
      "lightness": 2
    },
    "luminanceDelta": 0.0563,
    "sameFamily": false,
    "sameTemperature": true,
    "sharedTones": [
      "light"
    ],
    "lighterColor": "Moonstone",
    "moreSaturatedColor": "Moonstone"
  },
  "accessibility": {
    "pairContrastRatio": 1.07,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Moonstone",
        "background": "#D9E6E8",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 16.43
      },
      {
        "color": "Fog",
        "background": "#D7DDE0",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 15.31
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Moonstone is better when the design needs light cyan character, cool temperature, and the specific HEX value #D9E6E8.",
    "chooseSecondWhen": "Fog is better when the design needs light blue character, cool temperature, and the specific HEX value #D7DDE0.",
    "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/moonstone-vs-fog.json",
    "https://www.colorsencyclopedia.com/api/colors/moonstone.json",
    "https://www.colorsencyclopedia.com/api/colors/fog.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/moonstone-vs-fog/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/moonstone-vs-fog.json"
}