Nearest-color comparison

Light Slate Grey vs Slate Gray

Light Slate Grey and Slate Gray are different blue colors with HEX values #778899 and #708090. 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.

Light Slate Grey and Slate Gray are very close colors. Light Slate Grey 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

Light Slate Grey#778899

Slate Gray#708090

Quick Difference Summary

The main measurable differences between Light Slate Grey and 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 Grey

More saturatedLight Slate Grey

Side-by-Side Color Profiles

blue color

Light Slate Grey

Light Slate Grey is #778899, a cool blue color with muted character. Compared with Slate Gray, 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

blue color

Slate Gray

Slate Gray is #708090, a cool blue color with muted character. Compared with Light Slate Grey, 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

When to Use Light Slate Grey or Slate Gray

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

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

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 Slate GreySlate Gray

HEX#778899#708090

RGB119, 136, 153112, 128, 144

HSL210, 14, 53210, 13, 50

CMYK22, 11, 0, 4022, 11, 0, 44

FamilyBlueBlue

TemperatureCoolCool

ToneMutedMuted

Luminance0.23830.209

Black contrast5.77:15.18:1

White contrast3.64:14.05:1

Shared tonesMuted

Accessibility and Contrast

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

Light Slate Greyblack text - 5.77:1

Slate Grayblack text - 5.18:1

Related Palette Strip

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

Light Slate Grey#778899

Slate Grey#708090

#ABB5BF#ABB5BF

#A3ADB8#A3ADB8

#988776#988776

#90806F#90806F

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": "light-slate-grey",
    "name": "Light Slate Grey",
    "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 Grey is #778899, a cool blue color with muted character. Compared with Slate Gray, 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-grey/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/light-slate-grey.json"
  },
  {
    "slug": "slate-gray",
    "name": "Slate Gray",
    "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 Gray is #708090, a cool blue color with muted character. Compared with Light Slate Grey, 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-gray/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/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 Grey",
  "moreSaturatedColor": "Light Slate Grey"
}

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": "Light Slate Grey",
      "background": "#778899",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.77
    },
    {
      "color": "Slate Gray",
      "background": "#708090",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.18
    }
  ]
}

Use cases

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

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "light-slate-grey-vs-slate-gray",
  "type": "nearest",
  "name": "Light Slate Grey vs Slate Gray",
  "verdict": "Light Slate Grey and Slate Gray are very close colors. Light Slate Grey 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": "Light Slate Grey and Slate Gray are different blue colors with HEX values #778899 and #708090. 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": "light-slate-grey",
      "name": "Light Slate Grey",
      "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 Grey is #778899, a cool blue color with muted character. Compared with Slate Gray, 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-grey/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/light-slate-grey.json"
    },
    {
      "slug": "slate-gray",
      "name": "Slate Gray",
      "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 Gray is #708090, a cool blue color with muted character. Compared with Light Slate Grey, 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-gray/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/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 Grey",
    "moreSaturatedColor": "Light Slate Grey"
  },
  "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": "Light Slate Grey",
        "background": "#778899",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.77
      },
      {
        "color": "Slate Gray",
        "background": "#708090",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.18
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Light Slate Grey is better when the design needs muted blue character, cool temperature, and the specific HEX value #778899.",
    "chooseSecondWhen": "Slate Gray is better when the design needs muted blue character, cool temperature, and the specific HEX value #708090.",
    "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-slate-grey-vs-slate-gray.json",
    "https://www.colorsencyclopedia.com/api/colors/light-slate-grey.json",
    "https://www.colorsencyclopedia.com/api/colors/slate-gray.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/light-slate-grey-vs-slate-gray/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/light-slate-grey-vs-slate-gray.json"
}