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X11 named colors

Sienna2

sienna2 · #EE7942

HEX

#EE7942

RGB

rgb(238, 121, 66)

CMYK

cmyk(0%, 49%, 72%, 7%)

HSL

hsl(19, 83%, 60%)

LAB

lab(63.5, 41.2, 49.7)

What is Sienna2?

Sienna2 is the sienna2 reference in the X11 named colors. Its sRGB value is #EE7942 (rgb 238, 121, 66). It sits in the orange family. Historical X Window System color names — the numbered 1-4 lightness variants of the classic xorg-server rgb.txt palette. See disclaimer for accuracy and trademark notes.

Accessibility

WCAG 2.1 contrast checks for Sienna2 as a background.

Black text on this color

Sample text · 7.45 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 2.82 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Sienna2

An 11-step tonal scale derived from Sienna2 (#EE7942). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.

Copied #FEF4F0

50

#FEF4F0

#FEF4F0

Copied #FCEAE1

100

#FCEAE1

#FCEAE1

Copied #FAD4C3

200

#FAD4C3

#FAD4C3

Copied #F7BCA1

300

#F7BCA1

#F7BCA1

Copied #F29B71

400

#F29B71

#F29B71

Copied #EE7942

500

#EE7942

#EE7942

Copied #CA6738

600

#CA6738

#CA6738

Copied #9B4F2B

700

#9B4F2B

#9B4F2B

Copied #6B361E

800

#6B361E

#6B361E

Copied #3C1E11

900

#3C1E11

#3C1E11

Copied #1D0F08

950

#1D0F08

#1D0F08

Lighter tints (mixed with white)

Copied #F1987A

15%

#F1987A

Copied #F3B09D

30%

#F3B09D

Copied #F6C4B8

45%

#F6C4B8

Copied #F8D7CF

60%

#F8D7CF

Copied #FBE7E2

75%

#FBE7E2

Darker shades (mixed with black)

Copied #DD703D

15%

#DD703D

Copied #CB6637

30%

#CB6637

Copied #B65B30

45%

#B65B30

Copied #9E4E29

60%

#9E4E29

Copied #7F3E1F

75%

#7F3E1F

Color harmonies for Sienna2

Classic color-theory harmonies derived from rotating the hue of Sienna2. Use these to build accent palettes, brand systems, and accessible UI color pairings.

Complementary

180° opposite — strongest contrast

Copied #EE7942

#EE7942

#EE7942

Copied #44B8EE

#44B8EE

#44B8EE

Triadic

Three colors 120° apart

Copied #EE7942

#EE7942

#EE7942

Copied #44EE7A

#44EE7A

#44EE7A

Copied #7A44EE

#7A44EE

#7A44EE

Analogous

Two neighbors ±30° on the wheel

Copied #EE4463

#EE4463

#EE4463

Copied #EE7942

#EE7942

#EE7942

Copied #EECF44

#EECF44

#EECF44

Split-complementary

Base + two colors flanking its complement

Copied #EE7942

#EE7942

#EE7942

Copied #44EECF

#44EECF

#44EECF

Copied #4463EE

#4463EE

#4463EE

Tetradic

Two complementary pairs

Copied #EE7942

#EE7942

#EE7942

Copied #B8EE44

#B8EE44

#B8EE44

Copied #44B8EE

#44B8EE

#44B8EE

Copied #7A44EE

#7A44EE

#7A44EE

Square

Four colors evenly spaced 90° apart

Copied #EE7942

#EE7942

#EE7942

Copied #63EE44

#63EE44

#63EE44

Copied #44B8EE

#44B8EE

#44B8EE

Copied #CF44EE

#CF44EE

#CF44EE

Sienna2 in every color space

Full conversion of Sienna2 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.

HEX

#EE7942

RGB

rgb(238, 121, 66)

CMYK

cmyk(0%, 49%, 72%, 7%)

HSL

hsl(19, 83%, 60%)

HSV

hsv(19, 72%, 93%)

HWB

hwb(19 26% 7%)

CIE Lab

lab(63.5 41.2 49.7)

OKLCH

oklch(70.1% 0.160 44.2)

XYZ (D65)

xyz(43.08, 32.25, 9.11)

Copy-ready code for Sienna2

Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.

CSS

color: #EE7942;
background-color: #EE7942;

CSS variable

:root {
  --color-sienna2: #EE7942;
}

Tailwind config

// tailwind.config.js
colors: {
  'sienna2': '#EE7942',
}

Sass

$color-sienna2: #EE7942;

Swift UIColor

UIColor(red: 0.933, green: 0.475, blue: 0.259, alpha: 1.0)

Android XML

<color name="sienna2">#EE7942</color>

Closest match in every color system

The nearest Sienna2 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.

Closest in X11 named colors

Top 6 ΔE2000-closest entries within the same collection.

Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.

Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.

Copied #F75E25

RAL 2008

#F75E25

Bright red orange

Copied #FF7514

RAL 2003

#FF7514

Pastel orange

Copied #EC7C26

RAL 2011

#EC7C26

Deep orange

Copied #ED760E

RAL 2000

#ED760E

Yellow orange

Copied #F44611

RAL 2004

#F44611

Pure orange

Copied #C1876B

RAL 3012

#C1876B

Beige red

FAQ about Sienna2

What is the HEX code for Sienna2?

Sienna2 (sienna2) has the HEX code #EE7942. In RGB it is rgb(238, 121, 66), and in CMYK it is cmyk(0%, 49%, 72%, 7%).

What is the OKLCH value of Sienna2?

Sienna2 converts to oklch(0.701 0.160 44.2). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Sienna2 accessible for body text?

Used as a background, Sienna2 has a contrast ratio of 7.45:1 with black text and 2.82:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.

What is the closest Pantone to Sienna2?

The closest Pantone reference to Sienna2 by ΔE2000 perceptual distance is Pantone 165 C (#FF671F). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Sienna2?

The closest RAL Classic reference to Sienna2 by ΔE2000 distance is RAL 2008 (Bright red orange, #F75E25). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Sienna2?

The complementary color (180° opposite on the HSL color wheel) of Sienna2 is #44B8EE. Use it for high-contrast accents, error states, or call-to-action pairings.

Data provenance & source

X11 named colors (xorg rgb.txt)

The historical X11 color name list shipped in the xorg-server rgb.txt file. Roughly 550 entries covering classic computing color names like 'PapayaWhip', 'MediumAquamarine', and 'DarkSlateGray'. Many CSS named colors originate here. Use as a reference for legacy and creative color names. Most modern CSS implementations accept these names directly.

Source type
derived
Confidence
high
License
MIT/X11 license (X Consortium)
Last reviewed
2026-05-24

Workflow tags

x11
named-color
legacy
orange

X11 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.

X11 named colors · Sienna2 — #EE7942 | PantoneTools