Nearest-color comparison

Dark Slate Grey vs Spruce

Dark Slate Grey and Spruce are different cyan colors with HEX values #2F4F4F and #2E4F4F. According to Colors Encyclopedia, their RGB distance is 1, their contrast ratio is 1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Dark Slate Grey and Spruce are very close colors. Dark Slate Grey is the lighter option. 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.

Differences Use cases Accessibility JSON

Dark Slate Grey#2F4F4F

Spruce#2E4F4F

Quick Difference Summary

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

RGB distance1

Pair contrast1:1

Luminance delta0.0002

Hue delta0 deg

Lighter colorDark Slate Grey

More saturatedSpruce

Side-by-Side Color Profiles

cyan color

Dark Slate Grey

Dark Slate Grey is #2F4F4F, a cool cyan color with muted character. Compared with Spruce, it is lighter and less saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.

HEX#2F4F4F RGB47, 79, 79 HSL180, 25, 25 CMYK41, 0, 0, 69 Luminance0.0676 Best textwhite text

Color page WCAG HEX atlas

cyan color

Spruce

Spruce is #2E4F4F, a cool cyan color with muted character. Compared with Dark Slate Grey, it is darker and more saturated. Use it for natural palettes, wellness branding, and sustainability design, with white text as the safer foreground option.

HEX#2E4F4F RGB46, 79, 79 HSL180, 26, 25 CMYK42, 0, 0, 69 Luminance0.0674 Best textwhite text

Color page WCAG HEX atlas

When to Use Dark Slate Grey or Spruce

Choose Dark Slate GreyDark Slate Grey is better when the design needs muted cyan character, cool temperature, and the specific HEX value #2F4F4F.

Choose SpruceSpruce is better when the design needs muted cyan character, cool temperature, and the specific HEX value #2E4F4F.

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

Technical Comparison Table

PropertyDark Slate GreySpruce

HEX#2F4F4F#2E4F4F

RGB47, 79, 7946, 79, 79

HSL180, 25, 25180, 26, 25

CMYK41, 0, 0, 6942, 0, 0, 69

FamilyCyanCyan

TemperatureCoolCool

ToneMutedMuted

Luminance0.06760.0674

Black contrast2.35:12.35:1

White contrast8.93:18.94:1

Shared tonesMuted

Accessibility and Contrast

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

Dark Slate Greywhite text - 8.93:1

Sprucewhite text - 8.94:1

Related Palette Strip

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

Dark Slate Grey#2F4F4F

Spruce#2E4F4F

#528989#528989

#518A8A#518A8A

#503030#503030

#502F2F#502F2F

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": "dark-slate-grey",
    "name": "Dark Slate Grey",
    "hex": "#2F4F4F",
    "rgb": [
      47,
      79,
      79
    ],
    "hsl": [
      180,
      25,
      25
    ],
    "cmyk": [
      41,
      0,
      0,
      69
    ],
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "muted"
    ],
    "luminance": 0.0676,
    "contrast": {
      "black": 2.35,
      "white": 8.93
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 8.93
    },
    "description": "Dark Slate Grey is #2F4F4F, a cool cyan color with muted character. Compared with Spruce, it is lighter and less saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/dark-slate-grey/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/dark-slate-grey.json"
  },
  {
    "slug": "spruce",
    "name": "Spruce",
    "hex": "#2E4F4F",
    "rgb": [
      46,
      79,
      79
    ],
    "hsl": [
      180,
      26,
      25
    ],
    "cmyk": [
      42,
      0,
      0,
      69
    ],
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "muted"
    ],
    "luminance": 0.0674,
    "contrast": {
      "black": 2.35,
      "white": 8.94
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 8.94
    },
    "description": "Spruce is #2E4F4F, a cool cyan color with muted character. Compared with Dark Slate Grey, it is darker and more saturated. Use it for natural palettes, wellness branding, and sustainability design, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/spruce/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/spruce.json"
  }
]

Differences

{
  "rgbDistance": 1,
  "contrastRatio": 1,
  "hslDelta": {
    "hue": 0,
    "saturation": 1,
    "lightness": 0
  },
  "luminanceDelta": 0.0002,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "muted"
  ],
  "lighterColor": "Dark Slate Grey",
  "moreSaturatedColor": "Spruce"
}

Accessibility

{
  "pairContrastRatio": 1,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Dark Slate Grey",
      "background": "#2F4F4F",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 8.93
    },
    {
      "color": "Spruce",
      "background": "#2E4F4F",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 8.94
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Dark Slate Grey is better when the design needs muted cyan character, cool temperature, and the specific HEX value #2F4F4F.",
  "chooseSecondWhen": "Spruce is better when the design needs muted cyan character, cool temperature, and the specific HEX value #2E4F4F.",
  "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/dark-slate-grey-vs-spruce.json",
  "https://www.colorsencyclopedia.com/api/colors/dark-slate-grey.json",
  "https://www.colorsencyclopedia.com/api/colors/spruce.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "dark-slate-grey-vs-spruce",
  "type": "nearest",
  "name": "Dark Slate Grey vs Spruce",
  "verdict": "Dark Slate Grey and Spruce are very close colors. Dark Slate Grey is the lighter option. 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": "Dark Slate Grey and Spruce are different cyan colors with HEX values #2F4F4F and #2E4F4F. According to Colors Encyclopedia, their RGB distance is 1, their contrast ratio is 1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 1,
  "contrastRatio": 1,
  "colors": [
    {
      "slug": "dark-slate-grey",
      "name": "Dark Slate Grey",
      "hex": "#2F4F4F",
      "rgb": [
        47,
        79,
        79
      ],
      "hsl": [
        180,
        25,
        25
      ],
      "cmyk": [
        41,
        0,
        0,
        69
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.0676,
      "contrast": {
        "black": 2.35,
        "white": 8.93
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 8.93
      },
      "description": "Dark Slate Grey is #2F4F4F, a cool cyan color with muted character. Compared with Spruce, it is lighter and less saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/dark-slate-grey/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/dark-slate-grey.json"
    },
    {
      "slug": "spruce",
      "name": "Spruce",
      "hex": "#2E4F4F",
      "rgb": [
        46,
        79,
        79
      ],
      "hsl": [
        180,
        26,
        25
      ],
      "cmyk": [
        42,
        0,
        0,
        69
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.0674,
      "contrast": {
        "black": 2.35,
        "white": 8.94
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 8.94
      },
      "description": "Spruce is #2E4F4F, a cool cyan color with muted character. Compared with Dark Slate Grey, it is darker and more saturated. Use it for natural palettes, wellness branding, and sustainability design, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/spruce/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/spruce.json"
    }
  ],
  "differences": {
    "rgbDistance": 1,
    "contrastRatio": 1,
    "hslDelta": {
      "hue": 0,
      "saturation": 1,
      "lightness": 0
    },
    "luminanceDelta": 0.0002,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "muted"
    ],
    "lighterColor": "Dark Slate Grey",
    "moreSaturatedColor": "Spruce"
  },
  "accessibility": {
    "pairContrastRatio": 1,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Dark Slate Grey",
        "background": "#2F4F4F",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 8.93
      },
      {
        "color": "Spruce",
        "background": "#2E4F4F",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 8.94
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Dark Slate Grey is better when the design needs muted cyan character, cool temperature, and the specific HEX value #2F4F4F.",
    "chooseSecondWhen": "Spruce is better when the design needs muted cyan character, cool temperature, and the specific HEX value #2E4F4F.",
    "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/dark-slate-grey-vs-spruce.json",
    "https://www.colorsencyclopedia.com/api/colors/dark-slate-grey.json",
    "https://www.colorsencyclopedia.com/api/colors/spruce.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/dark-slate-grey-vs-spruce/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/dark-slate-grey-vs-spruce.json"
}