Nearest-color comparison

Asphalt vs Rubber

Asphalt and Rubber are different gray colors with HEX values #2B2B2B and #2A2725. According to Colors Encyclopedia, their RGB distance is 7.3, their contrast ratio is 1.05:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Asphalt and Rubber are very close colors. Asphalt is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.05:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Asphalt#2B2B2B

Rubber#2A2725

Quick Difference Summary

The main measurable differences between Asphalt and Rubber across RGB distance, luminance, hue, saturation, and contrast.

RGB distance7.3

Pair contrast1.05:1

Luminance delta0.0034

Hue delta24 deg

Lighter colorAsphalt

More saturatedRubber

Side-by-Side Color Profiles

gray color

Asphalt

Asphalt is #2B2B2B, a neutral gray color with dark character. Compared with Rubber, it is lighter and less saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.

HEX#2B2B2B RGB43, 43, 43 HSL0, 0, 17 CMYK0, 0, 0, 83 Luminance0.0242 Best textwhite text

Color page WCAG HEX atlas

gray color

Rubber

Rubber is #2A2725, a neutral gray color with dark character. Compared with Asphalt, it is darker and more saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.

HEX#2A2725 RGB42, 39, 37 HSL24, 6, 15 CMYK0, 7, 12, 84 Luminance0.0208 Best textwhite text

Color page WCAG HEX atlas

When to Use Asphalt or Rubber

Choose AsphaltAsphalt is better when the design needs dark gray character, neutral temperature, and the specific HEX value #2B2B2B.

Choose RubberRubber is better when the design needs dark gray character, neutral temperature, and the specific HEX value #2A2725.

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

Technical Comparison Table

PropertyAsphaltRubber

HEX#2B2B2B#2A2725

RGB43, 43, 4342, 39, 37

HSL0, 0, 1724, 6, 15

CMYK0, 0, 0, 830, 7, 12, 84

FamilyGrayGray

TemperatureNeutralNeutral

ToneDarkDark

Luminance0.02420.0208

Black contrast1.48:11.42:1

White contrast14.15:114.83:1

Shared tonesDark

Accessibility and Contrast

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

Asphaltwhite text - 14.15:1

Rubberwhite text - 14.83:1

Related Palette Strip

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

Asphalt#2B2B2B

Rubber#2A2725

#595959#595959

#59534F#59534F

Asphalt#2B2B2B

#242729#242729

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": "asphalt",
    "name": "Asphalt",
    "hex": "#2B2B2B",
    "rgb": [
      43,
      43,
      43
    ],
    "hsl": [
      0,
      0,
      17
    ],
    "cmyk": [
      0,
      0,
      0,
      83
    ],
    "family": "gray",
    "temperature": "neutral",
    "tone": [
      "dark"
    ],
    "luminance": 0.0242,
    "contrast": {
      "black": 1.48,
      "white": 14.15
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 14.15
    },
    "description": "Asphalt is #2B2B2B, a neutral gray color with dark character. Compared with Rubber, it is lighter and less saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/asphalt/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/asphalt.json"
  },
  {
    "slug": "rubber",
    "name": "Rubber",
    "hex": "#2A2725",
    "rgb": [
      42,
      39,
      37
    ],
    "hsl": [
      24,
      6,
      15
    ],
    "cmyk": [
      0,
      7,
      12,
      84
    ],
    "family": "gray",
    "temperature": "neutral",
    "tone": [
      "dark"
    ],
    "luminance": 0.0208,
    "contrast": {
      "black": 1.42,
      "white": 14.83
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 14.83
    },
    "description": "Rubber is #2A2725, a neutral gray color with dark character. Compared with Asphalt, it is darker and more saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/rubber/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/rubber.json"
  }
]

Differences

{
  "rgbDistance": 7.3,
  "contrastRatio": 1.05,
  "hslDelta": {
    "hue": 24,
    "saturation": 6,
    "lightness": 2
  },
  "luminanceDelta": 0.0034,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "dark"
  ],
  "lighterColor": "Asphalt",
  "moreSaturatedColor": "Rubber"
}

Accessibility

{
  "pairContrastRatio": 1.05,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Asphalt",
      "background": "#2B2B2B",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 14.15
    },
    {
      "color": "Rubber",
      "background": "#2A2725",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 14.83
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Asphalt is better when the design needs dark gray character, neutral temperature, and the specific HEX value #2B2B2B.",
  "chooseSecondWhen": "Rubber is better when the design needs dark gray character, neutral temperature, and the specific HEX value #2A2725.",
  "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/asphalt-vs-rubber.json",
  "https://www.colorsencyclopedia.com/api/colors/asphalt.json",
  "https://www.colorsencyclopedia.com/api/colors/rubber.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "asphalt-vs-rubber",
  "type": "nearest",
  "name": "Asphalt vs Rubber",
  "verdict": "Asphalt and Rubber are very close colors. Asphalt is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.05:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Asphalt and Rubber are different gray colors with HEX values #2B2B2B and #2A2725. According to Colors Encyclopedia, their RGB distance is 7.3, their contrast ratio is 1.05:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 7.3,
  "contrastRatio": 1.05,
  "colors": [
    {
      "slug": "asphalt",
      "name": "Asphalt",
      "hex": "#2B2B2B",
      "rgb": [
        43,
        43,
        43
      ],
      "hsl": [
        0,
        0,
        17
      ],
      "cmyk": [
        0,
        0,
        0,
        83
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "dark"
      ],
      "luminance": 0.0242,
      "contrast": {
        "black": 1.48,
        "white": 14.15
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 14.15
      },
      "description": "Asphalt is #2B2B2B, a neutral gray color with dark character. Compared with Rubber, it is lighter and less saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/asphalt/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/asphalt.json"
    },
    {
      "slug": "rubber",
      "name": "Rubber",
      "hex": "#2A2725",
      "rgb": [
        42,
        39,
        37
      ],
      "hsl": [
        24,
        6,
        15
      ],
      "cmyk": [
        0,
        7,
        12,
        84
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "dark"
      ],
      "luminance": 0.0208,
      "contrast": {
        "black": 1.42,
        "white": 14.83
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 14.83
      },
      "description": "Rubber is #2A2725, a neutral gray color with dark character. Compared with Asphalt, it is darker and more saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/rubber/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/rubber.json"
    }
  ],
  "differences": {
    "rgbDistance": 7.3,
    "contrastRatio": 1.05,
    "hslDelta": {
      "hue": 24,
      "saturation": 6,
      "lightness": 2
    },
    "luminanceDelta": 0.0034,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "dark"
    ],
    "lighterColor": "Asphalt",
    "moreSaturatedColor": "Rubber"
  },
  "accessibility": {
    "pairContrastRatio": 1.05,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Asphalt",
        "background": "#2B2B2B",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 14.15
      },
      {
        "color": "Rubber",
        "background": "#2A2725",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 14.83
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Asphalt is better when the design needs dark gray character, neutral temperature, and the specific HEX value #2B2B2B.",
    "chooseSecondWhen": "Rubber is better when the design needs dark gray character, neutral temperature, and the specific HEX value #2A2725.",
    "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/asphalt-vs-rubber.json",
    "https://www.colorsencyclopedia.com/api/colors/asphalt.json",
    "https://www.colorsencyclopedia.com/api/colors/rubber.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/asphalt-vs-rubber/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/asphalt-vs-rubber.json"
}