Skip to content
PantoneTools
orange
X11 named colors

Darkorange4

darkorange4 · #8B4500

HEX

#8B4500

RGB

rgb(139, 69, 0)

CMYK

cmyk(0%, 50%, 100%, 45%)

HSL

hsl(30, 100%, 27%)

LAB

lab(37.4, 26.0, 47.4)

What is Darkorange4?

Darkorange4 is the darkorange4 reference in the X11 named colors. Its sRGB value is #8B4500 (rgb 139, 69, 0). 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 Darkorange4 as a background.

Black text on this color

Sample text · 2.95 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 7.12 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Darkorange4

An 11-step tonal scale derived from Darkorange4 (#8B4500). 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 #F6F0EB

50

#F6F0EB

#F6F0EB

Copied #ECE1D6

100

#ECE1D6

#ECE1D6

Copied #DAC3AD

200

#DAC3AD

#DAC3AD

Copied #C5A280

300

#C5A280

#C5A280

Copied #A87440

400

#A87440

#A87440

Copied #8B4500

500

#8B4500

#8B4500

Copied #763B00

600

#763B00

#763B00

Copied #5A2D00

700

#5A2D00

#5A2D00

Copied #3F1F00

800

#3F1F00

#3F1F00

Copied #231100

900

#231100

#231100

Copied #110800

950

#110800

#110800

Lighter tints (mixed with white)

Copied #A47C6C

15%

#A47C6C

Copied #B89E95

30%

#B89E95

Copied #CAB9B3

45%

#CAB9B3

Copied #DACFCB

60%

#DACFCB

Copied #E9E3E1

75%

#E9E3E1

Darker shades (mixed with black)

Copied #814000

15%

#814000

Copied #763A00

30%

#763A00

Copied #693300

45%

#693300

Copied #5A2B00

60%

#5A2B00

Copied #482100

75%

#482100

Color harmonies for Darkorange4

Classic color-theory harmonies derived from rotating the hue of Darkorange4. Use these to build accent palettes, brand systems, and accessible UI color pairings.

Complementary

180° opposite — strongest contrast

Copied #8B4500

#8B4500

#8B4500

Copied #00458A

#00458A

#00458A

Triadic

Three colors 120° apart

Copied #8B4500

#8B4500

#8B4500

Copied #008A45

#008A45

#008A45

Copied #45008A

#45008A

#45008A

Analogous

Two neighbors ±30° on the wheel

Copied #8A0000

#8A0000

#8A0000

Copied #8B4500

#8B4500

#8B4500

Copied #8A8A00

#8A8A00

#8A8A00

Split-complementary

Base + two colors flanking its complement

Copied #8B4500

#8B4500

#8B4500

Copied #008A8A

#008A8A

#008A8A

Copied #00008A

#00008A

#00008A

Tetradic

Two complementary pairs

Copied #8B4500

#8B4500

#8B4500

Copied #458A00

#458A00

#458A00

Copied #00458A

#00458A

#00458A

Copied #45008A

#45008A

#45008A

Square

Four colors evenly spaced 90° apart

Copied #8B4500

#8B4500

#8B4500

Copied #008A00

#008A00

#008A00

Copied #00458A

#00458A

#00458A

Copied #8A008A

#8A008A

#8A008A

Darkorange4 in every color space

Full conversion of Darkorange4 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

#8B4500

RGB

rgb(139, 69, 0)

CMYK

cmyk(0%, 50%, 100%, 45%)

HSL

hsl(30, 100%, 27%)

HSV

hsv(30, 100%, 55%)

HWB

hwb(30 0% 45%)

CIE Lab

lab(37.4 26.0 47.4)

OKLCH

oklch(47.0% 0.117 54.7)

XYZ (D65)

xyz(12.78, 9.75, 1.21)

Copy-ready code for Darkorange4

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: #8B4500;
background-color: #8B4500;

CSS variable

:root {
  --color-darkorange4: #8B4500;
}

Tailwind config

// tailwind.config.js
colors: {
  'darkorange4': '#8B4500',
}

Sass

$color-darkorange4: #8B4500;

Swift UIColor

UIColor(red: 0.545, green: 0.271, blue: 0.000, alpha: 1.0)

Android XML

<color name="darkorange4">#8B4500</color>

Closest match in every color system

The nearest Darkorange4 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 #734222

RAL 8003

#734222

Clay brown

Copied #955F20

RAL 8001

#955F20

Ochre brown

Copied #A65E2E

RAL 8023

#A65E2E

Orange brown

Copied #6F4F28

RAL 8008

#6F4F28

Olive brown

Copied #8E402A

RAL 8004

#8E402A

Copper brown

Copied #79553D

RAL 8024

#79553D

Beige brown

FAQ about Darkorange4

What is the HEX code for Darkorange4?

Darkorange4 (darkorange4) has the HEX code #8B4500. In RGB it is rgb(139, 69, 0), and in CMYK it is cmyk(0%, 50%, 100%, 45%).

What is the OKLCH value of Darkorange4?

Darkorange4 converts to oklch(0.470 0.117 54.7). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Darkorange4 accessible for body text?

Used as a background, Darkorange4 has a contrast ratio of 2.95:1 with black text and 7.12:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use white text and verify in real UI context.

What is the closest Pantone to Darkorange4?

The closest Pantone reference to Darkorange4 by ΔE2000 perceptual distance is Pantone 730 C (#80461B). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Darkorange4?

The closest RAL Classic reference to Darkorange4 by ΔE2000 distance is RAL 8003 (Clay brown, #734222). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Darkorange4?

The complementary color (180° opposite on the HSL color wheel) of Darkorange4 is #00458A. 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 · Darkorange4 — #8B4500 | PantoneTools