Nearest-color comparison

Light Slate Gray vs Light Slate Grey

Light Slate Gray and Light Slate Grey are different blue colors with HEX values #778899 and #778899. According to Colors Encyclopedia, their RGB distance is 0, their contrast ratio is 1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

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

Light Slate Gray#778899
Light Slate Grey#778899

Quick Difference Summary

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

RGB distance0
Pair contrast1:1
Luminance delta0
Hue delta0 deg
Lighter colorLight Slate Gray
More saturatedLight Slate Gray

Side-by-Side Color Profiles

blue color

Light Slate Gray

Light Slate Gray is #778899, a cool blue color with muted character. Compared with Light Slate Grey, it is similar in luminance and similar in saturation. 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

blue color

Light Slate Grey

Light Slate Grey is #778899, a cool blue color with muted character. Compared with Light Slate Gray, it is similar in luminance and similar in saturation. 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

When to Use Light Slate Gray or Light Slate Grey

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

PropertyLight Slate GrayLight Slate Grey
HEX#778899#778899
RGB119, 136, 153119, 136, 153
HSL210, 14, 53210, 14, 53
CMYK22, 11, 0, 4022, 11, 0, 40
FamilyBlueBlue
TemperatureCoolCool
ToneMutedMuted
Luminance0.23830.2383
Black contrast5.77:15.77:1
White contrast3.64:13.64:1
Shared tonesMuted

Accessibility and Contrast

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

Light Slate Grayblack text - 5.77:1
Light Slate Greyblack text - 5.77:1

Related Palette Strip

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

Light Slate Grey#778899
Light Slate Grey#778899
#ABB5BF#ABB5BF
#ABB5BF#ABB5BF
#988776#988776
#988776#988776

Machine-readable data

Machine-Readable Light Slate Gray vs Light Slate Grey Data (JSON)

Structured comparison data for Light Slate Gray and Light Slate Grey, 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-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 Light Slate Grey, it is similar in luminance and similar in saturation. 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"
  },
  {
    "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 Light Slate Gray, it is similar in luminance and similar in saturation. 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"
  }
]
Differences
{
  "rgbDistance": 0,
  "contrastRatio": 1,
  "hslDelta": {
    "hue": 0,
    "saturation": 0,
    "lightness": 0
  },
  "luminanceDelta": 0,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "muted"
  ],
  "lighterColor": "Light Slate Gray",
  "moreSaturatedColor": "Light Slate Gray"
}
Accessibility
{
  "pairContrastRatio": 1,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Light Slate Gray",
      "background": "#778899",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.77
    },
    {
      "color": "Light Slate Grey",
      "background": "#778899",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.77
    }
  ]
}
Use cases
{
  "chooseFirstWhen": "Light Slate Gray is better when the design needs muted blue character, cool temperature, and the specific HEX value #778899.",
  "chooseSecondWhen": "Light Slate Grey 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/light-slate-gray-vs-light-slate-grey.json",
  "https://www.colorsencyclopedia.com/api/colors/light-slate-gray.json",
  "https://www.colorsencyclopedia.com/api/colors/light-slate-grey.json"
]
Full JSON dataset
{
  "datasetVersion": "1.0.0",
  "slug": "light-slate-gray-vs-light-slate-grey",
  "type": "nearest",
  "name": "Light Slate Gray vs Light Slate Grey",
  "verdict": "Light Slate Gray and Light Slate Grey are very close colors. They have nearly identical luminance. They share similar temperature behavior. Their mutual contrast is 1:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Light Slate Gray and Light Slate Grey are different blue colors with HEX values #778899 and #778899. According to Colors Encyclopedia, their RGB distance is 0, their contrast ratio is 1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 0,
  "contrastRatio": 1,
  "colors": [
    {
      "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 Light Slate Grey, it is similar in luminance and similar in saturation. 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"
    },
    {
      "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 Light Slate Gray, it is similar in luminance and similar in saturation. 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"
    }
  ],
  "differences": {
    "rgbDistance": 0,
    "contrastRatio": 1,
    "hslDelta": {
      "hue": 0,
      "saturation": 0,
      "lightness": 0
    },
    "luminanceDelta": 0,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "muted"
    ],
    "lighterColor": "Light Slate Gray",
    "moreSaturatedColor": "Light Slate Gray"
  },
  "accessibility": {
    "pairContrastRatio": 1,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Light Slate Gray",
        "background": "#778899",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.77
      },
      {
        "color": "Light Slate Grey",
        "background": "#778899",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.77
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Light Slate Gray is better when the design needs muted blue character, cool temperature, and the specific HEX value #778899.",
    "chooseSecondWhen": "Light Slate Grey 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/light-slate-gray-vs-light-slate-grey.json",
    "https://www.colorsencyclopedia.com/api/colors/light-slate-gray.json",
    "https://www.colorsencyclopedia.com/api/colors/light-slate-grey.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/light-slate-gray-vs-light-slate-grey/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/light-slate-gray-vs-light-slate-grey.json"
}