Named color

Sienna

Sienna is an earth tone orange color with HEX #A0522D. According to Colors Encyclopedia, it has RGB 160, 82, 45, HSL 19, 56%, 40%, warm temperature, and is useful for web design, CSS color systems, and UI prototyping.

#A0522D orange warm earth-tone

HEX #A0522D

RGB rgb(160, 82, 45)

HSL hsl(19 56% 40%)

CMYK cmyk(0, 49, 72, 37)

Luminance 0.137

Contrast Black 3.74:1White 5.61:1

CSS Utilities

--color-sienna: #A0522D;
.bg-sienna { background-color: #A0522D; }
.text-sienna { color: #A0522D; }

Open CSS utility pageReusable variables, classes, examples, and implementation notes

Luminance0.137

Black text3.74:1AA Fail

White text5.61:1AA Pass

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{
  "hex": "#A0522D",
  "rgb": [
    160,
    82,
    45
  ],
  "hsl": [
    19,
    56,
    40
  ],
  "cmyk": [
    0,
    49,
    72,
    37
  ],
  "luminance": 0.137,
  "contrast": {
    "black": 3.74,
    "white": 5.61
  }
}

WCAG

{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": []
}

Harmonies

{
  "complementary": "#2D7B9F",
  "analogous": [
    "#9F2D42",
    "#9F8A2D"
  ],
  "triadic": [
    "#2D9F51",
    "#512D9F"
  ],
  "tetradic": [
    "#429F2D",
    "#2D7B9F",
    "#8A2D9F"
  ],
  "splitComplementary": [
    "#2D9F8A",
    "#2D429F"
  ],
  "monochromatic": [
    "#D07E58",
    "#A0522D",
    "#582D19"
  ]
}

Variants

{
  "light": "#D07E58",
  "dark": "#582D19",
  "saturated": "#B64916",
  "desaturated": "#895943",
  "pastel": "#CA9881",
  "neon": "#F54E00"
}

Pairings

{
  "best": [
    "#FFFFFF",
    "#2D7B9F",
    "#9F2D42",
    "#9F8A2D"
  ],
  "avoid": [
    "#895943",
    "#D07E58"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#D07E58",
    "#895943"
  ]
}

Knowledge graph

{
  "nearestColors": [
    "cedar",
    "red-clay",
    "saddle-brown",
    "brick-red",
    "burnt-umber"
  ],
  "generatedPalettes": [
    "sienna"
  ],
  "generatedComparisons": [
    "cedar-vs-sienna",
    "sienna-vs-red-clay"
  ],
  "relatedFamilies": [
    "/colors/by-family/orange",
    "/colors/by-temperature/warm",
    "/colors/by-tone/earth-tone"
  ],
  "relatedTools": [
    "/harmonies/sienna",
    "/wcag/sienna",
    "/css/colors/sienna",
    "/hex/a0522d"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/orange",
      "/colors/by-temperature/warm",
      "/colors/by-tone/earth-tone"
    ],
    "narrower": [
      "/palettes/sienna"
    ],
    "related": [
      "/colors/cedar",
      "/colors/red-clay",
      "/colors/saddle-brown",
      "/colors/brick-red",
      "/colors/burnt-umber",
      "/compare/cedar-vs-sienna",
      "/compare/sienna-vs-red-clay",
      "/harmonies/sienna",
      "/wcag/sienna",
      "/css/colors/sienna",
      "/hex/a0522d"
    ]
  }
}

Full JSON dataset

{
  "slug": "sienna",
  "name": "Sienna",
  "cssName": "sienna",
  "hex": "#A0522D",
  "family": "orange",
  "temperature": "warm",
  "tone": [
    "earth-tone"
  ],
  "uses": [
    "web design",
    "CSS color systems",
    "UI prototyping"
  ],
  "psychology": {
    "associations": [
      "context dependent"
    ],
    "contexts": [
      "web interfaces",
      "design systems",
      "technical color references"
    ],
    "avoidIn": [
      "claims that require brand or cultural specificity"
    ]
  },
  "aliases": [
    "sienna"
  ],
  "sourceType": "standard",
  "confidence": "high",
  "sourceUrl": "https://www.w3.org/TR/css-color-4/#named-colors",
  "origin": {
    "type": "css",
    "notes": "Standard CSS named color."
  },
  "reviewStatus": "auto",
  "editorialNotes": "Generated from CSS named color data and computed color-system properties.",
  "tags": [
    "orange",
    "warm",
    "earth-tone",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 67,
  "rgb": [
    160,
    82,
    45
  ],
  "hsl": [
    19,
    56,
    40
  ],
  "cmyk": [
    0,
    49,
    72,
    37
  ],
  "luminance": 0.137,
  "contrast": {
    "black": 3.74,
    "white": 5.61
  },
  "harmonies": {
    "complementary": "#2D7B9F",
    "analogous": [
      "#9F2D42",
      "#9F8A2D"
    ],
    "triadic": [
      "#2D9F51",
      "#512D9F"
    ],
    "tetradic": [
      "#429F2D",
      "#2D7B9F",
      "#8A2D9F"
    ],
    "splitComplementary": [
      "#2D9F8A",
      "#2D429F"
    ],
    "monochromatic": [
      "#D07E58",
      "#A0522D",
      "#582D19"
    ]
  },
  "variants": {
    "light": "#D07E58",
    "dark": "#582D19",
    "saturated": "#B64916",
    "desaturated": "#895943",
    "pastel": "#CA9881",
    "neon": "#F54E00"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-sienna: #A0522D;",
    "utility": ".bg-sienna { background-color: #A0522D; }",
    "textUtility": ".text-sienna { color: #A0522D; }"
  },
  "nearestColors": [
    "cedar",
    "red-clay",
    "saddle-brown",
    "brick-red",
    "burnt-umber"
  ],
  "generatedPalettes": [
    "sienna"
  ],
  "generatedComparisons": [
    "cedar-vs-sienna",
    "sienna-vs-red-clay"
  ],
  "relatedFamilies": [
    "/colors/by-family/orange",
    "/colors/by-temperature/warm",
    "/colors/by-tone/earth-tone"
  ],
  "relatedTools": [
    "/harmonies/sienna",
    "/wcag/sienna",
    "/css/colors/sienna",
    "/hex/a0522d"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/orange",
      "/colors/by-temperature/warm",
      "/colors/by-tone/earth-tone"
    ],
    "narrower": [
      "/palettes/sienna"
    ],
    "related": [
      "/colors/cedar",
      "/colors/red-clay",
      "/colors/saddle-brown",
      "/colors/brick-red",
      "/colors/burnt-umber",
      "/compare/cedar-vs-sienna",
      "/compare/sienna-vs-red-clay",
      "/harmonies/sienna",
      "/wcag/sienna",
      "/css/colors/sienna",
      "/hex/a0522d"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#2D7B9F",
      "#9F2D42",
      "#9F8A2D"
    ],
    "avoid": [
      "#895943",
      "#D07E58"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#D07E58",
      "#895943"
    ]
  }
}

Color meaning and use

About Sienna Color

Sienna sits in the orange family with warm temperature and earth tone visual character. Standard CSS named color.

Its common associations include context dependent, which makes it relevant for web interfaces and design systems. In design work, Sienna is most useful for web design, css color systems, and ui prototyping, especially when paired with white text for stronger contrast.

WCAG Accessibility

Contrast checks for Sienna against black and white text.

Black text3.74:1AA Fail

White text5.61:1AA Pass

AA text options#FFFFFF, #F5F5F5

AAA text optionsNone in seed set

Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Cedar#8B5A2B

Red Clay#B45A3C

Saddle Brown#8B4513

Brick Red#8A3324

Burnt Umber#8A3324

Color Harmonies

#2D7B9F#2D7B9F

#9F2D42#9F2D42

#9F8A2D#9F8A2D

#2D9F51#2D9F51

#512D9F#512D9F

Open full Sienna harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#D07E58#D07E58

#582D19#582D19

#B64916#B64916

#895943#895943

#CA9881#CA9881

#F54E00#F54E00

Pairings

White#FFFFFF

#2D7B9F#2D7B9F

#9F2D42#9F2D42

#9F8A2D#9F8A2D

Matte Black#1A1A1A

White Smoke#F5F5F5

Sienna

CSS Utilities

Machine-Readable Color Data (JSON)

About Sienna Color

Related Color Guides

WCAG Accessibility

Similar Colors

Color Harmonies

Variants

Pairings