Sienna Color Codes

Sienna is a dark, saturated red-orange with the hex code #A0522D, RGB values of 160, 82, 45 and an HSL value of hsl(19, 56%, 40%).

HEX	#A0522D
RGB	160, 82, 45
HSL	hsl(19, 56%, 40%)
HSV	19°, 72%, 63%
CMYK	0%, 49%, 72%, 37%
LAB	43.80, 29.32, 35.64
CIELCHuv	43.80, 68.28, 26.80°

Nearest Pantone: PMS 470 C ΔE 8.2 · approximate
Nearest CSS name: sienna ΔE 0.0

Source CSS Color Module Level 4 keyword 'Sienna'

Sienna Color Hex Code

The Sienna color hex code is #A0522D. Those six digits are three pairs, A0 for red, 52 for green and 2D for blue, which is the same triplet a browser reads from the CSS value below.

#A0522D

Sienna Color RGB Code

The Sienna RGB code is rgb(160, 82, 45). Red carries the most light at 160 of 255, which is what puts this color where it sits on the wheel.

rgb(160, 82, 45)

Sienna Color HSV Code

The Sienna HSV code is 19°, 72%, 63%. Read it as a hue of 19 degrees, 72% saturation and 63% value, which is the form most color pickers use because moving one number changes one thing.

19°, 72%, 63%

Sienna Color CIELChuv Code

The Sienna CIELCHuv code is 43.80, 68.28, 26.80°. Unlike hex or RGB this one is perceptual: lightness 44 means mid-toned to the eye rather than to the screen, and chroma 68 is how far it sits from grey.

43.80, 68.28, 26.80°

Tonal scale

What are Sienna Color Palettes?

A shade mixes toward black, a tint toward white, a tone toward grey. Every step keeps the hue and is copy-ready.

Shades, toward black

Tints, toward white

Tones, toward grey

Open in the shades & tints generator →

Palettes

What are Sienna Color Palette Codes?

Each of these is a hue rotation from #A0522D. They are generated, not curated, so they are exact.

Complementary

Directly opposite sits #2D7BA0, a mid-tone, saturated azure blue. No other pairing separates two hues further, so this is the one to reach for when a single element has to win attention. Neither is especially saturated, so this pairing stays calm enough for large areas of both.

Analogous

#A02D41 and #A08C2D sit 30 degrees either side. All three share most of their hue, so the set reads as one family instead of three separate decisions. Good for backgrounds and for state variations that should not announce themselves.

Triadic

#2DA052 and #522DA0 complete an even 120 degree split. Three fully independent hues, so one has to lead: keep this base dominant and let the other two appear in small quantities.

Split-complementary

Instead of the direct complement, this takes the two hues either side of it: #2DA08C and #2D41A0. Almost the same contrast, without the edge shimmer a true complementary pair produces at high saturation.

Tetradic

Two complementary pairs forming a rectangle: this base with #2D7BA0, and #41A02D with #8C2DA0. The richest of the five and the hardest to balance, so treat this base as the lead and hold the other three well back.

See these on the color wheel →

Accessibility

Measured against white and against black, with a separate verdict for each element type. Small text, large text and UI components have different thresholds, so one pass or fail for the whole color would be wrong roughly a third of the time.

White background

5.62:1

5.62

contrast ratio on white background

Element	AA	AAA
Small text needs 4.5:1 / 7:1	Passes	Fails
Large text needs 3:1 / 4.5:1	Passes	Passes
UI component needs 3:1	Passes	n/a

Black background

3.74:1

3.74

contrast ratio on black background

Element	AA	AAA
Small text needs 4.5:1 / 7:1	Fails	Fails
Large text needs 3:1 / 4.5:1	Passes	Fails
UI component needs 3:1	Passes	n/a

Sienna clears WCAG AA against white at 5.62:1, so it is safe for body copy as well as headings. Text placed on it should be white, which gives 5.62:1.

Check Sienna against another color →

Color vision

How Sienna looks with color blindness

Around 300 million people see color differently from the way it is specified. Each card shows the actual color beside how it appears, and how common that form of vision is.

Protanopia

About 1% of men

actual

#858539

Sienna changes substantially here. ΔE 41.7

No working red cones. Reds darken sharply and drift toward the same muddy olive as green.

Deuteranopia

About 1% of men

actual

#898E3B

Sienna changes substantially here. ΔE 45.6

No working green cones. With the milder deuteranomaly at nearer 6% of men, this is by far the most common form, and the one worth designing around.

Tritanopia

About 1 in 10,000

actual

#9D4042

Sienna shifts noticeably here. ΔE 20.0

No working blue cones. Blues shift toward green and yellows toward pink. Rare, and unlike the others it is not sex-linked, so it affects men and women equally.

Achromatopsia

About 1 in 30,000

actual

#676767

Sienna changes substantially here. ΔE 46.2

No color vision at all. Also a fair proxy for how the color survives a greyscale print or a failing screen.

To a deuteranope, the most common form, Sienna reads as #898E3B. That is a shift of ΔE 45.6, so it is a different color to roughly one man in sixteen. It sits in the red end of the spectrum, which is exactly where red-green deficiency does its damage. Never pair it with a green of similar lightness to signal a difference in meaning: to a large minority the two become one color. The widest shift is under deuteranopia, at ΔE 45.6. The rule this leads to needs no simulator: never let color be the only thing carrying a message. Add a label, an icon, or a clear difference in lightness, and the problem disappears for everyone.

Simulate a whole palette →

Snippets

Using Sienna in code

:root {
  --sienna: #A0522D;
}

.example {
  color: var(--sienna);
}

// tailwind.config.js
theme: {
  extend: {
    colors: {
      'sienna': '#A0522D',
    },
  },
}

// SwiftUI takes 0–1 components, not 0–255.
let sienna = Color(
    red: 0.627,
    green: 0.322,
    blue: 0.176
)

<!-- res/values/colors.xml -->
<color name="sienna">#A0522D</color>

// Flutter wants ARGB: FF for full opacity, then the hex.
const sienna = Color(0xFFA0522D);

Meaning

What is the Meaning of Sienna Color?

Sienna reads as craft and durability. It is saturated enough to notice and restrained enough to repeat, and at 56% saturation with a perceptual lightness of 44 it behaves as a warm color, which is the practical reason it turns up where it does.

What are Other Names of Sienna Color?

In CSS you can write Sienna instead of the hex and get the same color: the two are 0.0 apart, which no eye resolves. For print the nearest Pantone is PMS 470 C at #9B4F19. The name Sienna comes from the community color-name index rather than a standards body, so you will meet it under other names elsewhere.

How is Sienna Color Made?

On a screen Sienna is made by additive light: 160 red, 82 green and 45 blue out of 255, with red leading and 45 as the floor. In print it is subtractive instead, mixed as 0%, 49%, 72%, 37%. Starting from the pure hue at 19 degrees, Sienna is close to the pure hue, with little white or black in it.