Nearest-color comparison

Glacier Blue vs Sky Blue

Glacier Blue and Sky Blue are different blue colors with HEX values #78B9D2 and #87CEEB. According to Colors Encyclopedia, their RGB distance is 35.9, their contrast ratio is 1.25:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Glacier Blue and Sky Blue are visually related colors. Sky Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.25:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Glacier Blue#78B9D2

Sky Blue#87CEEB

Quick Difference Summary

The main measurable differences between Glacier Blue and Sky Blue across RGB distance, luminance, hue, saturation, and contrast.

RGB distance35.9

Pair contrast1.25:1

Luminance delta0.1195

Hue delta0 deg

Lighter colorSky Blue

More saturatedSky Blue

Side-by-Side Color Profiles

blue color

Glacier Blue

Glacier Blue is #78B9D2, a cool blue color with balanced character. Compared with Sky Blue, it is darker and less saturated. Use it for interfaces, brand systems, and technical design, with black text as the safer foreground option.

HEX#78B9D2 RGB120, 185, 210 HSL197, 50, 65 CMYK43, 12, 0, 18 Luminance0.4334 Best textblack text

Color page WCAG HEX atlas

blue color

Sky Blue

Sky Blue is #87CEEB, a cool blue color with balanced character. Compared with Glacier Blue, 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#87CEEB RGB135, 206, 235 HSL197, 71, 73 CMYK43, 12, 0, 8 Luminance0.5529 Best textblack text

Color page WCAG HEX atlas

When to Use Glacier Blue or Sky Blue

Choose Glacier BlueGlacier Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #78B9D2.

Choose Sky BlueSky Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #87CEEB.

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

Technical Comparison Table

PropertyGlacier BlueSky Blue

HEX#78B9D2#87CEEB

RGB120, 185, 210135, 206, 235

HSL197, 50, 65197, 71, 73

CMYK43, 12, 0, 1843, 12, 0, 8

FamilyBlueBlue

TemperatureCoolCool

ToneBalancedBalanced

Luminance0.43340.5529

Black contrast9.67:112.06:1

White contrast2.17:11.74:1

Shared tonesBalanced

Accessibility and Contrast

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

Glacier Blueblack text - 9.67:1

Sky Blueblack text - 12.06:1

Related Palette Strip

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

Glacier Blue#78B9D2

Sky Blue#87CEEB

#BEDDE9#BEDDE9

#D8EFF8#D8EFF8

#D29279#D29279

#EBA589#EBA589

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": "glacier-blue",
    "name": "Glacier Blue",
    "hex": "#78B9D2",
    "rgb": [
      120,
      185,
      210
    ],
    "hsl": [
      197,
      50,
      65
    ],
    "cmyk": [
      43,
      12,
      0,
      18
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "luminance": 0.4334,
    "contrast": {
      "black": 9.67,
      "white": 2.17
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 9.67
    },
    "description": "Glacier Blue is #78B9D2, a cool blue color with balanced character. Compared with Sky Blue, it is darker and less saturated. Use it for interfaces, brand systems, and technical design, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/glacier-blue/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/glacier-blue.json"
  },
  {
    "slug": "sky-blue",
    "name": "Sky Blue",
    "hex": "#87CEEB",
    "rgb": [
      135,
      206,
      235
    ],
    "hsl": [
      197,
      71,
      73
    ],
    "cmyk": [
      43,
      12,
      0,
      8
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "luminance": 0.5529,
    "contrast": {
      "black": 12.06,
      "white": 1.74
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 12.06
    },
    "description": "Sky Blue is #87CEEB, a cool blue color with balanced character. Compared with Glacier Blue, 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/sky-blue/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
  }
]

Differences

{
  "rgbDistance": 35.9,
  "contrastRatio": 1.25,
  "hslDelta": {
    "hue": 0,
    "saturation": 21,
    "lightness": 8
  },
  "luminanceDelta": 0.1195,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "balanced"
  ],
  "lighterColor": "Sky Blue",
  "moreSaturatedColor": "Sky Blue"
}

Accessibility

{
  "pairContrastRatio": 1.25,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Glacier Blue",
      "background": "#78B9D2",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 9.67
    },
    {
      "color": "Sky Blue",
      "background": "#87CEEB",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 12.06
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Glacier Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #78B9D2.",
  "chooseSecondWhen": "Sky Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #87CEEB.",
  "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/glacier-blue-vs-sky-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/glacier-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "glacier-blue-vs-sky-blue",
  "type": "nearest",
  "name": "Glacier Blue vs Sky Blue",
  "verdict": "Glacier Blue and Sky Blue are visually related colors. Sky Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.25:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Glacier Blue and Sky Blue are different blue colors with HEX values #78B9D2 and #87CEEB. According to Colors Encyclopedia, their RGB distance is 35.9, their contrast ratio is 1.25:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 35.9,
  "contrastRatio": 1.25,
  "colors": [
    {
      "slug": "glacier-blue",
      "name": "Glacier Blue",
      "hex": "#78B9D2",
      "rgb": [
        120,
        185,
        210
      ],
      "hsl": [
        197,
        50,
        65
      ],
      "cmyk": [
        43,
        12,
        0,
        18
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.4334,
      "contrast": {
        "black": 9.67,
        "white": 2.17
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 9.67
      },
      "description": "Glacier Blue is #78B9D2, a cool blue color with balanced character. Compared with Sky Blue, it is darker and less saturated. Use it for interfaces, brand systems, and technical design, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/glacier-blue/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/glacier-blue.json"
    },
    {
      "slug": "sky-blue",
      "name": "Sky Blue",
      "hex": "#87CEEB",
      "rgb": [
        135,
        206,
        235
      ],
      "hsl": [
        197,
        71,
        73
      ],
      "cmyk": [
        43,
        12,
        0,
        8
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.5529,
      "contrast": {
        "black": 12.06,
        "white": 1.74
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 12.06
      },
      "description": "Sky Blue is #87CEEB, a cool blue color with balanced character. Compared with Glacier Blue, 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/sky-blue/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
    }
  ],
  "differences": {
    "rgbDistance": 35.9,
    "contrastRatio": 1.25,
    "hslDelta": {
      "hue": 0,
      "saturation": 21,
      "lightness": 8
    },
    "luminanceDelta": 0.1195,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "balanced"
    ],
    "lighterColor": "Sky Blue",
    "moreSaturatedColor": "Sky Blue"
  },
  "accessibility": {
    "pairContrastRatio": 1.25,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Glacier Blue",
        "background": "#78B9D2",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 9.67
      },
      {
        "color": "Sky Blue",
        "background": "#87CEEB",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 12.06
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Glacier Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #78B9D2.",
    "chooseSecondWhen": "Sky Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #87CEEB.",
    "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/glacier-blue-vs-sky-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/glacier-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/glacier-blue-vs-sky-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/glacier-blue-vs-sky-blue.json"
}