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CSS Named Colors

Darkolivegreen

darkolivegreen · #556B2F

HEX

#556B2F

RGB

rgb(85, 107, 47)

CMYK

cmyk(21%, 0%, 56%, 58%)

HSL

hsl(82, 39%, 30%)

LAB

lab(42.2, -18.8, 30.6)

What is Darkolivegreen?

Darkolivegreen is the darkolivegreen reference in the CSS Named Colors. Its sRGB value is #556B2F (rgb 85, 107, 47). It sits in the green family. The 147 named colors defined by the W3C CSS Color Module Level 4 specification — usable directly in CSS as keywords like 'crimson' or 'rebeccapurple'. See disclaimer for accuracy and trademark notes.

Accessibility

WCAG 2.1 contrast checks for Darkolivegreen as a background.

Black text on this color

Sample text · 3.53 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 5.95 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Darkolivegreen

An 11-step tonal scale derived from Darkolivegreen (#556B2F). 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 #F1F3EE

50

#F1F3EE

#F1F3EE

Copied #E4E7DE

100

#E4E7DE

#E4E7DE

Copied #C9D0BC

200

#C9D0BC

#C9D0BC

Copied #AAB597

300

#AAB597

#AAB597

Copied #809063

400

#809063

#809063

Copied #556B2F

500

#556B2F

#556B2F

Copied #485B28

600

#485B28

#485B28

Copied #37461F

700

#37461F

#37461F

Copied #263015

800

#263015

#263015

Copied #151B0C

900

#151B0C

#151B0C

Copied #0A0D06

950

#0A0D06

#0A0D06

Lighter tints (mixed with white)

Copied #838F74

15%

#838F74

Copied #A2AA99

30%

#A2AA99

Copied #BCC1B6

45%

#BCC1B6

Copied #D1D4CD

60%

#D1D4CD

Copied #E4E5E2

75%

#E4E5E2

Darker shades (mixed with black)

Copied #4F632B

15%

#4F632B

Copied #475A27

30%

#475A27

Copied #3F5022

45%

#3F5022

Copied #36451C

60%

#36451C

Copied #2A3614

75%

#2A3614

Color harmonies for Darkolivegreen

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

Complementary

180° opposite — strongest contrast

Copied #556B2F

#556B2F

#556B2F

Copied #452F6A

#452F6A

#452F6A

Triadic

Three colors 120° apart

Copied #556B2F

#556B2F

#556B2F

Copied #2F546A

#2F546A

#2F546A

Copied #6A2F54

#6A2F54

#6A2F54

Analogous

Two neighbors ±30° on the wheel

Copied #6A622F

#6A622F

#6A622F

Copied #556B2F

#556B2F

#556B2F

Copied #376A2F

#376A2F

#376A2F

Split-complementary

Base + two colors flanking its complement

Copied #556B2F

#556B2F

#556B2F

Copied #2F376A

#2F376A

#2F376A

Copied #622F6A

#622F6A

#622F6A

Tetradic

Two complementary pairs

Copied #556B2F

#556B2F

#556B2F

Copied #2F6A45

#2F6A45

#2F6A45

Copied #452F6A

#452F6A

#452F6A

Copied #6A2F54

#6A2F54

#6A2F54

Square

Four colors evenly spaced 90° apart

Copied #556B2F

#556B2F

#556B2F

Copied #2F6A62

#2F6A62

#2F6A62

Copied #452F6A

#452F6A

#452F6A

Copied #6A2F37

#6A2F37

#6A2F37

Darkolivegreen in every color space

Full conversion of Darkolivegreen 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

#556B2F

RGB

rgb(85, 107, 47)

CMYK

cmyk(21%, 0%, 56%, 58%)

HSL

hsl(82, 39%, 30%)

HSV

hsv(82, 56%, 42%)

HWB

hwb(82 18% 58%)

CIE Lab

lab(42.2 -18.8 30.6)

OKLCH

oklch(49.6% 0.090 126.2)

XYZ (D65)

xyz(9.52, 12.65, 4.63)

Copy-ready code for Darkolivegreen

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: #556B2F;
background-color: #556B2F;

CSS variable

:root {
  --color-darkolivegreen: #556B2F;
}

Tailwind config

// tailwind.config.js
colors: {
  'darkolivegreen': '#556B2F',
}

Sass

$color-darkolivegreen: #556B2F;

Swift UIColor

UIColor(red: 0.333, green: 0.420, blue: 0.184, alpha: 1.0)

Android XML

<color name="darkolivegreen">#556B2F</color>

Closest match in every color system

The nearest Darkolivegreen 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 CSS 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 #587246

RAL 6011

#587246

Reseda green

Copied #3D642D

RAL 6025

#3D642D

Fern green

Copied #35682D

RAL 6010

#35682D

Grass green

Copied #287233

RAL 6001

#287233

Emerald green

Copied #2D572C

RAL 6002

#2D572C

Leaf green

Copied #6C7156

RAL 6013

#6C7156

Reed green

FAQ about Darkolivegreen

What is the HEX code for Darkolivegreen?

Darkolivegreen (darkolivegreen) has the HEX code #556B2F. In RGB it is rgb(85, 107, 47), and in CMYK it is cmyk(21%, 0%, 56%, 58%).

What is the OKLCH value of Darkolivegreen?

Darkolivegreen converts to oklch(0.496 0.090 126.2). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Darkolivegreen accessible for body text?

Used as a background, Darkolivegreen has a contrast ratio of 3.53:1 with black text and 5.95:1 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 Darkolivegreen?

The closest Pantone reference to Darkolivegreen by ΔE2000 perceptual distance is Pantone 378 C (#586528). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Darkolivegreen?

The closest RAL Classic reference to Darkolivegreen by ΔE2000 distance is RAL 6011 (Reseda green, #587246). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Darkolivegreen?

The complementary color (180° opposite on the HSL color wheel) of Darkolivegreen is #452F6A. Use it for high-contrast accents, error states, or call-to-action pairings.

Data provenance & source

CSS Named Colors (CSS Color Module Level 4)

The 147 named colors defined by the W3C CSS Color Module Level 4 specification. Origin: VGA (16) + X11 (rest) + 'rebeccapurple'. Use as a reference for web color names that all browsers natively support. Names like 'crimson' or 'rebeccapurple' work as CSS values without any framework.

Source type
derived
Confidence
high
License
W3C permissive document license
Last reviewed
2026-05-24

Workflow tags

css
web-standard
named-keyword
green

CSS named colors are sRGB digital values defined for browsers. For print, convert to a process-appropriate color and proof against substrate.

CSS Named Colors · Darkolivegreen — #556B2F | PantoneTools