Nearest-color comparison

Sienna vs Red Clay

Sienna and Red Clay are different orange colors with HEX values #A0522D and #B45A3C. According to Colors Encyclopedia, their RGB distance is 26.2, their contrast ratio is 1.19:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Sienna and Red Clay are visually related colors. Red Clay is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.19:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Sienna#A0522D

Red Clay#B45A3C

Quick Difference Summary

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

RGB distance26.2

Pair contrast1.19:1

Luminance delta0.0364

Hue delta4 deg

Lighter colorRed Clay

More saturatedSienna

Side-by-Side Color Profiles

orange color

Sienna

Sienna is #A0522D, a warm orange color with earth tone character. Compared with Red Clay, it is darker and more saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.

HEX#A0522D RGB160, 82, 45 HSL19, 56, 40 CMYK0, 49, 72, 37 Luminance0.137 Best textwhite text

Color page WCAG HEX atlas

orange color

Red Clay

Red Clay is #B45A3C, a warm orange color with earth tone character. Compared with Sienna, it is lighter and less saturated. Use it for earth-tone palettes, interior design, and material-inspired branding, with white text as the safer foreground option.

HEX#B45A3C RGB180, 90, 60 HSL15, 50, 47 CMYK0, 50, 67, 29 Luminance0.1734 Best textwhite text

Color page WCAG HEX atlas

When to Use Sienna or Red Clay

Choose SiennaSienna is better when the design needs earth tone orange character, warm temperature, and the specific HEX value #A0522D.

Choose Red ClayRed Clay is better when the design needs earth tone orange character, warm temperature, and the specific HEX value #B45A3C.

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

Technical Comparison Table

PropertySiennaRed Clay

HEX#A0522D#B45A3C

RGB160, 82, 45180, 90, 60

HSL19, 56, 4015, 50, 47

CMYK0, 49, 72, 370, 50, 67, 29

FamilyOrangeOrange

TemperatureWarmWarm

ToneEarth ToneEarth Tone

Luminance0.1370.1734

Black contrast3.74:14.47:1

White contrast5.61:14.7:1

Shared tonesEarth Tone

Accessibility and Contrast

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

Siennawhite text - 5.61:1

Red Claywhite text - 4.7:1

Related Palette Strip

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

Sienna#A0522D

Red Clay#B45A3C

#D07E58#D07E58

#D28F79#D28F79

#2D7B9F#2D7B9F

#3C96B4#3C96B4

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": "sienna",
    "name": "Sienna",
    "hex": "#A0522D",
    "rgb": [
      160,
      82,
      45
    ],
    "hsl": [
      19,
      56,
      40
    ],
    "cmyk": [
      0,
      49,
      72,
      37
    ],
    "family": "orange",
    "temperature": "warm",
    "tone": [
      "earth-tone"
    ],
    "luminance": 0.137,
    "contrast": {
      "black": 3.74,
      "white": 5.61
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 5.61
    },
    "description": "Sienna is #A0522D, a warm orange color with earth tone character. Compared with Red Clay, it is darker and more 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/sienna/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/sienna.json"
  },
  {
    "slug": "red-clay",
    "name": "Red Clay",
    "hex": "#B45A3C",
    "rgb": [
      180,
      90,
      60
    ],
    "hsl": [
      15,
      50,
      47
    ],
    "cmyk": [
      0,
      50,
      67,
      29
    ],
    "family": "orange",
    "temperature": "warm",
    "tone": [
      "earth-tone"
    ],
    "luminance": 0.1734,
    "contrast": {
      "black": 4.47,
      "white": 4.7
    },
    "wcag": {
      "AA": [
        "#FFFFFF"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 4.7
    },
    "description": "Red Clay is #B45A3C, a warm orange color with earth tone character. Compared with Sienna, it is lighter and less saturated. Use it for earth-tone palettes, interior design, and material-inspired branding, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/red-clay/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/red-clay.json"
  }
]

Differences

{
  "rgbDistance": 26.2,
  "contrastRatio": 1.19,
  "hslDelta": {
    "hue": 4,
    "saturation": 6,
    "lightness": 7
  },
  "luminanceDelta": 0.0364,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "earth-tone"
  ],
  "lighterColor": "Red Clay",
  "moreSaturatedColor": "Sienna"
}

Accessibility

{
  "pairContrastRatio": 1.19,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Sienna",
      "background": "#A0522D",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 5.61
    },
    {
      "color": "Red Clay",
      "background": "#B45A3C",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 4.7
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Sienna is better when the design needs earth tone orange character, warm temperature, and the specific HEX value #A0522D.",
  "chooseSecondWhen": "Red Clay is better when the design needs earth tone orange character, warm temperature, and the specific HEX value #B45A3C.",
  "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/sienna-vs-red-clay.json",
  "https://www.colorsencyclopedia.com/api/colors/sienna.json",
  "https://www.colorsencyclopedia.com/api/colors/red-clay.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "sienna-vs-red-clay",
  "type": "nearest",
  "name": "Sienna vs Red Clay",
  "verdict": "Sienna and Red Clay are visually related colors. Red Clay is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.19:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Sienna and Red Clay are different orange colors with HEX values #A0522D and #B45A3C. According to Colors Encyclopedia, their RGB distance is 26.2, their contrast ratio is 1.19:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 26.2,
  "contrastRatio": 1.19,
  "colors": [
    {
      "slug": "sienna",
      "name": "Sienna",
      "hex": "#A0522D",
      "rgb": [
        160,
        82,
        45
      ],
      "hsl": [
        19,
        56,
        40
      ],
      "cmyk": [
        0,
        49,
        72,
        37
      ],
      "family": "orange",
      "temperature": "warm",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.137,
      "contrast": {
        "black": 3.74,
        "white": 5.61
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 5.61
      },
      "description": "Sienna is #A0522D, a warm orange color with earth tone character. Compared with Red Clay, it is darker and more 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/sienna/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/sienna.json"
    },
    {
      "slug": "red-clay",
      "name": "Red Clay",
      "hex": "#B45A3C",
      "rgb": [
        180,
        90,
        60
      ],
      "hsl": [
        15,
        50,
        47
      ],
      "cmyk": [
        0,
        50,
        67,
        29
      ],
      "family": "orange",
      "temperature": "warm",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1734,
      "contrast": {
        "black": 4.47,
        "white": 4.7
      },
      "wcag": {
        "AA": [
          "#FFFFFF"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 4.7
      },
      "description": "Red Clay is #B45A3C, a warm orange color with earth tone character. Compared with Sienna, it is lighter and less saturated. Use it for earth-tone palettes, interior design, and material-inspired branding, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/red-clay/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/red-clay.json"
    }
  ],
  "differences": {
    "rgbDistance": 26.2,
    "contrastRatio": 1.19,
    "hslDelta": {
      "hue": 4,
      "saturation": 6,
      "lightness": 7
    },
    "luminanceDelta": 0.0364,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "earth-tone"
    ],
    "lighterColor": "Red Clay",
    "moreSaturatedColor": "Sienna"
  },
  "accessibility": {
    "pairContrastRatio": 1.19,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Sienna",
        "background": "#A0522D",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 5.61
      },
      {
        "color": "Red Clay",
        "background": "#B45A3C",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 4.7
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Sienna is better when the design needs earth tone orange character, warm temperature, and the specific HEX value #A0522D.",
    "chooseSecondWhen": "Red Clay is better when the design needs earth tone orange character, warm temperature, and the specific HEX value #B45A3C.",
    "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/sienna-vs-red-clay.json",
    "https://www.colorsencyclopedia.com/api/colors/sienna.json",
    "https://www.colorsencyclopedia.com/api/colors/red-clay.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/sienna-vs-red-clay/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/sienna-vs-red-clay.json"
}