Dark Color

#57573C

Approximate Color Name: DarkOliveGreen

Closest CSS Color Name: DarkOliveGreen (#556B2F)

Color Space Coordinates

Copyable codes for development, CSS styling, and print

HEX#57573C
RGBrgb(87, 87, 60)
HSLhsl(60, 18%, 29%)
HSV / HSBhsv(60, 31%, 34.1%)
CMYK (Print)cmyk(0%, 0%, 31%, 66%)
OKLCH (CSS4)oklch(0.449 0.041 108.4)
OKLaboklab(0.449 -0.013 0.039)
Tailwind CSSbg-[#57573C]
Check WCAG ContrastGenerate Shades & TintsBuild Palette

WCAG 2.1 Contrast & Accessibility Audit

Evaluates readability standards for normal body text (4.5:1 AA / 7.0:1 AAA) and large headings (3.0:1 AA / 4.5:1 AAA)

Against Pure White (#FFFFFF)7.41:1
White Text on #57573C
AA Normal Text
AAA Normal Text
Against Pure Black (#000000)2.83:1
Black Text on #57573C
AA Normal Text
AAA Normal Text

Tonal Variations (Shades, Tints & Tones)

Calibrated step variations created by adding black (shades), white (tints), and gray (tones)

Shades (Darker with Black)
#57573C
#4E4E36
#464630
#3D3D2A
#343424
#2C2C1E
#232318
#1A1A12
#11110C
#090906
#000000
Tints (Lighter with White)
#57573C
#686850
#797963
#898977
#9A9A8A
#ABAB9E
#BCBCB1
#CDCDC5
#DDDDD8
#EEEEEC
#FFFFFF
Tones (Muted with Gray)
#57573C
#5B5B43
#5F5F4A
#636350
#676757
#6C6C5E
#707065
#74746C
#787872
#7C7C79
#808080

Harmonies for #57573C (DarkOliveGreen)

Classical color wheel pairings calculated from 360-degree rotational angles

Complementary (180°)

Opposite
#57573C#3D3D57

Triadic (120° / 240°)

Equidistant
#57573C#3D5757#573D57

Analogous (±30°)

Adjacent
#574A3D#57573C#4A573D

Split-Complementary (150° / 210°)

Soft Contrast
#57573C#3D4A57#4A3D57

Practical UI/UX Design Usage for #57573C

Primary Buttons & Focus Rings

With an RGB luminance of 87, 87, 60, this shade works excellently with white text (#FFFFFF) for call-to-action buttons and form focus states.

Background Containers

To use #57573C as a card background or subtle surface tint, apply an opacity of 5% to 15% (bg-[#57573C]/10 in Tailwind) to maintain high typography readability.

Data Visualization & Badges

Pair with its complementary accent #3D3D57 or triadic partner #3D5757 to distinguish distinct categories in charts and tables.

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Tools & Utilities for #57573C

Explore gradients, test contrast ratios, and generate monochromatic shades with #57573C

All Tools →

Contrast Checker

Verify WCAG 2.1 AA/AAA compliance on #57573C surfaces.

Shades & Tints Scale

Generate 10-step tints and dark shade ramp tokens.

Gradient Generator

Build CSS linear and radial gradients starting with #57573C.

Palette Generator

Lock #57573C and generate complementary 5-color palettes.

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