Nearest-color comparison

Light Sky Blue vs Sky Blue

Light Sky Blue and Sky Blue are different blue colors with HEX values #87CEFA and #87CEEB. According to Colors Encyclopedia, their RGB distance is 15, their contrast ratio is 1.02:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Light Sky Blue and Sky Blue are very close colors. Light Sky Blue 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.

Light Sky Blue#87CEFA
Sky Blue#87CEEB

Quick Difference Summary

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

RGB distance15
Pair contrast1.02:1
Luminance delta0.0091
Hue delta6 deg
Lighter colorLight Sky Blue
More saturatedLight Sky Blue

Side-by-Side Color Profiles

blue color

Light Sky Blue

Light Sky Blue is #87CEFA, a cool blue color with pastel character. Compared with Sky 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#87CEFA RGB135, 206, 250 HSL203, 92, 75 CMYK46, 18, 0, 2 Luminance0.562 Best textblack text

blue color

Sky Blue

Sky Blue is #87CEEB, a cool blue color with balanced character. Compared with Light Sky Blue, it is darker and less 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

When to Use Light Sky Blue or Sky Blue

Choose Light Sky BlueLight Sky Blue is better when the design needs pastel blue character, cool temperature, and the specific HEX value #87CEFA.
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

PropertyLight Sky BlueSky Blue
HEX#87CEFA#87CEEB
RGB135, 206, 250135, 206, 235
HSL203, 92, 75197, 71, 73
CMYK46, 18, 0, 243, 12, 0, 8
FamilyBlueBlue
TemperatureCoolCool
TonePastelBalanced
Luminance0.5620.5529
Black contrast12.24:112.06:1
White contrast1.72:11.74:1
Shared tonesNone

Accessibility and Contrast

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

Light Sky Blueblack text - 12.24:1
Sky Blueblack text - 12.06:1

Related Palette Strip

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

Light Sky Blue#87CEFA
Sky Blue#87CEEB
#DDF1FE#DDF1FE
#D8EFF8#D8EFF8
#FAB285#FAB285
#EBA589#EBA589

Machine-readable data

Machine-Readable Light Sky Blue vs Sky Blue Data (JSON)

Structured comparison data for Light Sky Blue and Sky Blue, including color systems, RGB distance, HSL deltas, contrast, accessibility guidance, use cases, and API links.

AI-Ready Dataset v1.0.0
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
Download JSON Open API
Structured sections
Colors
[
  {
    "slug": "light-sky-blue",
    "name": "Light Sky Blue",
    "hex": "#87CEFA",
    "rgb": [
      135,
      206,
      250
    ],
    "hsl": [
      203,
      92,
      75
    ],
    "cmyk": [
      46,
      18,
      0,
      2
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "pastel"
    ],
    "luminance": 0.562,
    "contrast": {
      "black": 12.24,
      "white": 1.72
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 12.24
    },
    "description": "Light Sky Blue is #87CEFA, a cool blue color with pastel character. Compared with Sky 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/light-sky-blue/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/light-sky-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 Light Sky Blue, it is darker and less 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": 15,
  "contrastRatio": 1.02,
  "hslDelta": {
    "hue": 6,
    "saturation": 21,
    "lightness": 2
  },
  "luminanceDelta": 0.0091,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [],
  "lighterColor": "Light Sky Blue",
  "moreSaturatedColor": "Light Sky Blue"
}
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": "Light Sky Blue",
      "background": "#87CEFA",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 12.24
    },
    {
      "color": "Sky Blue",
      "background": "#87CEEB",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 12.06
    }
  ]
}
Use cases
{
  "chooseFirstWhen": "Light Sky Blue is better when the design needs pastel blue character, cool temperature, and the specific HEX value #87CEFA.",
  "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/light-sky-blue-vs-sky-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/light-sky-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
]
Full JSON dataset
{
  "datasetVersion": "1.0.0",
  "slug": "light-sky-blue-vs-sky-blue",
  "type": "nearest",
  "name": "Light Sky Blue vs Sky Blue",
  "verdict": "Light Sky Blue and Sky Blue are very close colors. Light Sky Blue 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": "Light Sky Blue and Sky Blue are different blue colors with HEX values #87CEFA and #87CEEB. According to Colors Encyclopedia, their RGB distance is 15, their contrast ratio is 1.02:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 15,
  "contrastRatio": 1.02,
  "colors": [
    {
      "slug": "light-sky-blue",
      "name": "Light Sky Blue",
      "hex": "#87CEFA",
      "rgb": [
        135,
        206,
        250
      ],
      "hsl": [
        203,
        92,
        75
      ],
      "cmyk": [
        46,
        18,
        0,
        2
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "pastel"
      ],
      "luminance": 0.562,
      "contrast": {
        "black": 12.24,
        "white": 1.72
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 12.24
      },
      "description": "Light Sky Blue is #87CEFA, a cool blue color with pastel character. Compared with Sky 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/light-sky-blue/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/light-sky-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 Light Sky Blue, it is darker and less 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": 15,
    "contrastRatio": 1.02,
    "hslDelta": {
      "hue": 6,
      "saturation": 21,
      "lightness": 2
    },
    "luminanceDelta": 0.0091,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [],
    "lighterColor": "Light Sky Blue",
    "moreSaturatedColor": "Light Sky Blue"
  },
  "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": "Light Sky Blue",
        "background": "#87CEFA",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 12.24
      },
      {
        "color": "Sky Blue",
        "background": "#87CEEB",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 12.06
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Light Sky Blue is better when the design needs pastel blue character, cool temperature, and the specific HEX value #87CEFA.",
    "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/light-sky-blue-vs-sky-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/light-sky-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/light-sky-blue-vs-sky-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/light-sky-blue-vs-sky-blue.json"
}