Nearest-color comparison

Brown vs Tool Red

Brown and Tool Red are different red colors with HEX values #A52A2A and #B11226. According to Colors Encyclopedia, their RGB distance is 27.1, their contrast ratio is 1.01:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Brown and Tool Red are visually related colors. Tool Red is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.01:1, so the pair is too low for text and better treated as a palette relationship.

Brown#A52A2A
Tool Red#B11226

Quick Difference Summary

The main measurable differences between Brown and Tool Red across RGB distance, luminance, hue, saturation, and contrast.

RGB distance27.1
Pair contrast1.01:1
Luminance delta0.001
Hue delta352 deg
Lighter colorTool Red
More saturatedTool Red

Side-by-Side Color Profiles

red color

Brown

Brown is #A52A2A, a warm red color with balanced character. Compared with Tool Red, it is darker and less saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.

HEX#A52A2A RGB165, 42, 42 HSL0, 59, 41 CMYK0, 75, 75, 35 Luminance0.0982 Best textwhite text

red color

Tool Red

Tool Red is #B11226, a warm red color with vibrant character. Compared with Brown, it is lighter and more saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.

HEX#B11226 RGB177, 18, 38 HSL352, 82, 38 CMYK0, 90, 79, 31 Luminance0.0992 Best textwhite text

When to Use Brown or Tool Red

Choose BrownBrown is better when the design needs balanced red character, warm temperature, and the specific HEX value #A52A2A.
Choose Tool RedTool Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #B11226.
Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertyBrownTool Red
HEX#A52A2A#B11226
RGB165, 42, 42177, 18, 38
HSL0, 59, 41352, 82, 38
CMYK0, 75, 75, 350, 90, 79, 31
FamilyRedRed
TemperatureWarmWarm
ToneBalancedVibrant
Luminance0.09820.0992
Black contrast2.96:12.98:1
White contrast7.09:17.04:1
Shared tonesNone

Accessibility and Contrast

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

Brownwhite text - 7.09:1
Tool Redwhite text - 7.04:1

Related Palette Strip

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

Brown#A52A2A
Tool Red#B11226
#D45959#D45959
#EB334B#EB334B
#2BA6A6#2BA6A6
#11B09B#11B09B

Machine-readable data

Machine-Readable Brown vs Tool Red Data (JSON)

Structured comparison data for Brown and Tool Red, 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": "brown",
    "name": "Brown",
    "hex": "#A52A2A",
    "rgb": [
      165,
      42,
      42
    ],
    "hsl": [
      0,
      59,
      41
    ],
    "cmyk": [
      0,
      75,
      75,
      35
    ],
    "family": "red",
    "temperature": "warm",
    "tone": [
      "balanced"
    ],
    "luminance": 0.0982,
    "contrast": {
      "black": 2.96,
      "white": 7.09
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 7.09
    },
    "description": "Brown is #A52A2A, a warm red color with balanced character. Compared with Tool Red, it is darker 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/brown/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/brown.json"
  },
  {
    "slug": "tool-red",
    "name": "Tool Red",
    "hex": "#B11226",
    "rgb": [
      177,
      18,
      38
    ],
    "hsl": [
      352,
      82,
      38
    ],
    "cmyk": [
      0,
      90,
      79,
      31
    ],
    "family": "red",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.0992,
    "contrast": {
      "black": 2.98,
      "white": 7.04
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 7.04
    },
    "description": "Tool Red is #B11226, a warm red color with vibrant character. Compared with Brown, it is lighter 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/tool-red/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/tool-red.json"
  }
]
Differences
{
  "rgbDistance": 27.1,
  "contrastRatio": 1.01,
  "hslDelta": {
    "hue": 352,
    "saturation": 23,
    "lightness": 3
  },
  "luminanceDelta": 0.001,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [],
  "lighterColor": "Tool Red",
  "moreSaturatedColor": "Tool Red"
}
Accessibility
{
  "pairContrastRatio": 1.01,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Brown",
      "background": "#A52A2A",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 7.09
    },
    {
      "color": "Tool Red",
      "background": "#B11226",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 7.04
    }
  ]
}
Use cases
{
  "chooseFirstWhen": "Brown is better when the design needs balanced red character, warm temperature, and the specific HEX value #A52A2A.",
  "chooseSecondWhen": "Tool Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #B11226.",
  "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/brown-vs-tool-red.json",
  "https://www.colorsencyclopedia.com/api/colors/brown.json",
  "https://www.colorsencyclopedia.com/api/colors/tool-red.json"
]
Full JSON dataset
{
  "datasetVersion": "1.0.0",
  "slug": "brown-vs-tool-red",
  "type": "nearest",
  "name": "Brown vs Tool Red",
  "verdict": "Brown and Tool Red are visually related colors. Tool Red is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.01:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Brown and Tool Red are different red colors with HEX values #A52A2A and #B11226. According to Colors Encyclopedia, their RGB distance is 27.1, their contrast ratio is 1.01:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 27.1,
  "contrastRatio": 1.01,
  "colors": [
    {
      "slug": "brown",
      "name": "Brown",
      "hex": "#A52A2A",
      "rgb": [
        165,
        42,
        42
      ],
      "hsl": [
        0,
        59,
        41
      ],
      "cmyk": [
        0,
        75,
        75,
        35
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0982,
      "contrast": {
        "black": 2.96,
        "white": 7.09
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 7.09
      },
      "description": "Brown is #A52A2A, a warm red color with balanced character. Compared with Tool Red, it is darker 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/brown/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/brown.json"
    },
    {
      "slug": "tool-red",
      "name": "Tool Red",
      "hex": "#B11226",
      "rgb": [
        177,
        18,
        38
      ],
      "hsl": [
        352,
        82,
        38
      ],
      "cmyk": [
        0,
        90,
        79,
        31
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.0992,
      "contrast": {
        "black": 2.98,
        "white": 7.04
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 7.04
      },
      "description": "Tool Red is #B11226, a warm red color with vibrant character. Compared with Brown, it is lighter 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/tool-red/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/tool-red.json"
    }
  ],
  "differences": {
    "rgbDistance": 27.1,
    "contrastRatio": 1.01,
    "hslDelta": {
      "hue": 352,
      "saturation": 23,
      "lightness": 3
    },
    "luminanceDelta": 0.001,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [],
    "lighterColor": "Tool Red",
    "moreSaturatedColor": "Tool Red"
  },
  "accessibility": {
    "pairContrastRatio": 1.01,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Brown",
        "background": "#A52A2A",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 7.09
      },
      {
        "color": "Tool Red",
        "background": "#B11226",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 7.04
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Brown is better when the design needs balanced red character, warm temperature, and the specific HEX value #A52A2A.",
    "chooseSecondWhen": "Tool Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #B11226.",
    "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/brown-vs-tool-red.json",
    "https://www.colorsencyclopedia.com/api/colors/brown.json",
    "https://www.colorsencyclopedia.com/api/colors/tool-red.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/brown-vs-tool-red/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/brown-vs-tool-red.json"
}