Dark Color

#555D49

Approximate Color Name: DarkOliveGreen

Closest CSS Color Name: DarkOliveGreen (#556B2F)

Color Space Coordinates

Copyable codes for development, CSS styling, and print

HEX#555D49
RGBrgb(85, 93, 73)
HSLhsl(84, 12%, 33%)
HSV / HSBhsv(84, 21.5%, 36.5%)
CMYK (Print)cmyk(9%, 0%, 22%, 64%)
OKLCH (CSS4)oklch(0.465 0.033 125.1)
OKLaboklab(0.465 -0.019 0.027)
Tailwind CSSbg-[#555D49]
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)6.89:1
White Text on #555D49
AA Normal Text
AAA Normal Text
Against Pure Black (#000000)3.05:1
Black Text on #555D49
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)
#555D49
#4D5442
#444A3A
#3B4133
#33382C
#2B2F25
#22251D
#1A1C16
#11130F
#080907
#000000
Tints (Lighter with White)
#555D49
#666D5B
#777D6D
#888E80
#999E92
#AAAEA4
#BBBEB6
#CCCEC8
#DDDFDB
#EEEFED
#FFFFFF
Tones (Muted with Gray)
#555D49
#59614F
#5E6454
#62685A
#666B5F
#6B6F65
#6F726A
#737670
#777975
#7C7D7B
#808080

Harmonies for #555D49 (DarkOliveGreen)

Classical color wheel pairings calculated from 360-degree rotational angles

Complementary (180°)

Opposite
#555D49#524A5E

Triadic (120° / 240°)

Equidistant
#555D49#4A565E#5E4A56

Analogous (±30°)

Adjacent
#5E5C4A#555D49#4C5E4A

Split-Complementary (150° / 210°)

Soft Contrast
#555D49#4A4C5E#5C4A5E

Practical UI/UX Design Usage for #555D49

Primary Buttons & Focus Rings

With an RGB luminance of 85, 93, 73, this shade works excellently with white text (#FFFFFF) for call-to-action buttons and form focus states.

Background Containers

To use #555D49 as a card background or subtle surface tint, apply an opacity of 5% to 15% (bg-[#555D49]/10 in Tailwind) to maintain high typography readability.

Data Visualization & Badges

Pair with its complementary accent #524A5E or triadic partner #4A565E to distinguish distinct categories in charts and tables.

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Tools & Utilities for #555D49

Explore gradients, test contrast ratios, and generate monochromatic shades with #555D49

All Tools →

Contrast Checker

Verify WCAG 2.1 AA/AAA compliance on #555D49 surfaces.

Shades & Tints Scale

Generate 10-step tints and dark shade ramp tokens.

Gradient Generator

Build CSS linear and radial gradients starting with #555D49.

Palette Generator

Lock #555D49 and generate complementary 5-color palettes.

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