Nearest-color comparison

Slate Grey vs Light Slate Gray

Slate Grey and Light Slate Gray are different blue colors with HEX values #708090 and #778899. According to Colors Encyclopedia, their RGB distance is 13.9, their contrast ratio is 1.11:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Slate Grey and Light Slate Gray are very close colors. Light Slate Gray is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.11:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Slate Grey#708090

Light Slate Gray#778899

Quick Difference Summary

The main measurable differences between Slate Grey and Light Slate Gray across RGB distance, luminance, hue, saturation, and contrast.

RGB distance13.9

Pair contrast1.11:1

Luminance delta0.0293

Hue delta0 deg

Lighter colorLight Slate Gray

More saturatedLight Slate Gray

Side-by-Side Color Profiles

blue color

Slate Grey

Slate Grey is #708090, a cool blue color with muted character. Compared with Light Slate Gray, 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#708090 RGB112, 128, 144 HSL210, 13, 50 CMYK22, 11, 0, 44 Luminance0.209 Best textblack text

Color page WCAG HEX atlas

blue color

Light Slate Gray

Light Slate Gray is #778899, a cool blue color with muted character. Compared with Slate Grey, 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#778899 RGB119, 136, 153 HSL210, 14, 53 CMYK22, 11, 0, 40 Luminance0.2383 Best textblack text

Color page WCAG HEX atlas

When to Use Slate Grey or Light Slate Gray

Choose Slate GreySlate Grey is better when the design needs muted blue character, cool temperature, and the specific HEX value #708090.

Choose Light Slate GrayLight Slate Gray is better when the design needs muted blue character, cool temperature, and the specific HEX value #778899.

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

Technical Comparison Table

PropertySlate GreyLight Slate Gray

HEX#708090#778899

RGB112, 128, 144119, 136, 153

HSL210, 13, 50210, 14, 53

CMYK22, 11, 0, 4422, 11, 0, 40

FamilyBlueBlue

TemperatureCoolCool

ToneMutedMuted

Luminance0.2090.2383

Black contrast5.18:15.77:1

White contrast4.05:13.64:1

Shared tonesMuted

Accessibility and Contrast

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

Slate Greyblack text - 5.18:1

Light Slate Grayblack text - 5.77:1

Related Palette Strip

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

Slate Grey#708090

Light Slate Grey#778899

#A3ADB8#A3ADB8

#ABB5BF#ABB5BF

#90806F#90806F

#988776#988776

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": "slate-grey",
    "name": "Slate Grey",
    "hex": "#708090",
    "rgb": [
      112,
      128,
      144
    ],
    "hsl": [
      210,
      13,
      50
    ],
    "cmyk": [
      22,
      11,
      0,
      44
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "muted"
    ],
    "luminance": 0.209,
    "contrast": {
      "black": 5.18,
      "white": 4.05
    },
    "wcag": {
      "AA": [
        "#000000"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.18
    },
    "description": "Slate Grey is #708090, a cool blue color with muted character. Compared with Light Slate Gray, 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/slate-grey/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/slate-grey.json"
  },
  {
    "slug": "light-slate-gray",
    "name": "Light Slate Gray",
    "hex": "#778899",
    "rgb": [
      119,
      136,
      153
    ],
    "hsl": [
      210,
      14,
      53
    ],
    "cmyk": [
      22,
      11,
      0,
      40
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "muted"
    ],
    "luminance": 0.2383,
    "contrast": {
      "black": 5.77,
      "white": 3.64
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.77
    },
    "description": "Light Slate Gray is #778899, a cool blue color with muted character. Compared with Slate Grey, 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-slate-gray/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/light-slate-gray.json"
  }
]

Differences

{
  "rgbDistance": 13.9,
  "contrastRatio": 1.11,
  "hslDelta": {
    "hue": 0,
    "saturation": 1,
    "lightness": 3
  },
  "luminanceDelta": 0.0293,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "muted"
  ],
  "lighterColor": "Light Slate Gray",
  "moreSaturatedColor": "Light Slate Gray"
}

Accessibility

{
  "pairContrastRatio": 1.11,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Slate Grey",
      "background": "#708090",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.18
    },
    {
      "color": "Light Slate Gray",
      "background": "#778899",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.77
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Slate Grey is better when the design needs muted blue character, cool temperature, and the specific HEX value #708090.",
  "chooseSecondWhen": "Light Slate Gray is better when the design needs muted blue character, cool temperature, and the specific HEX value #778899.",
  "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/slate-grey-vs-light-slate-gray.json",
  "https://www.colorsencyclopedia.com/api/colors/slate-grey.json",
  "https://www.colorsencyclopedia.com/api/colors/light-slate-gray.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "slate-grey-vs-light-slate-gray",
  "type": "nearest",
  "name": "Slate Grey vs Light Slate Gray",
  "verdict": "Slate Grey and Light Slate Gray are very close colors. Light Slate Gray is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.11:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Slate Grey and Light Slate Gray are different blue colors with HEX values #708090 and #778899. According to Colors Encyclopedia, their RGB distance is 13.9, their contrast ratio is 1.11:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 13.9,
  "contrastRatio": 1.11,
  "colors": [
    {
      "slug": "slate-grey",
      "name": "Slate Grey",
      "hex": "#708090",
      "rgb": [
        112,
        128,
        144
      ],
      "hsl": [
        210,
        13,
        50
      ],
      "cmyk": [
        22,
        11,
        0,
        44
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.209,
      "contrast": {
        "black": 5.18,
        "white": 4.05
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.18
      },
      "description": "Slate Grey is #708090, a cool blue color with muted character. Compared with Light Slate Gray, 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/slate-grey/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/slate-grey.json"
    },
    {
      "slug": "light-slate-gray",
      "name": "Light Slate Gray",
      "hex": "#778899",
      "rgb": [
        119,
        136,
        153
      ],
      "hsl": [
        210,
        14,
        53
      ],
      "cmyk": [
        22,
        11,
        0,
        40
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.2383,
      "contrast": {
        "black": 5.77,
        "white": 3.64
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.77
      },
      "description": "Light Slate Gray is #778899, a cool blue color with muted character. Compared with Slate Grey, 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-slate-gray/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/light-slate-gray.json"
    }
  ],
  "differences": {
    "rgbDistance": 13.9,
    "contrastRatio": 1.11,
    "hslDelta": {
      "hue": 0,
      "saturation": 1,
      "lightness": 3
    },
    "luminanceDelta": 0.0293,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "muted"
    ],
    "lighterColor": "Light Slate Gray",
    "moreSaturatedColor": "Light Slate Gray"
  },
  "accessibility": {
    "pairContrastRatio": 1.11,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Slate Grey",
        "background": "#708090",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.18
      },
      {
        "color": "Light Slate Gray",
        "background": "#778899",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.77
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Slate Grey is better when the design needs muted blue character, cool temperature, and the specific HEX value #708090.",
    "chooseSecondWhen": "Light Slate Gray is better when the design needs muted blue character, cool temperature, and the specific HEX value #778899.",
    "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/slate-grey-vs-light-slate-gray.json",
    "https://www.colorsencyclopedia.com/api/colors/slate-grey.json",
    "https://www.colorsencyclopedia.com/api/colors/light-slate-gray.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/slate-grey-vs-light-slate-gray/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/slate-grey-vs-light-slate-gray.json"
}