#555f51

Color #555f51

A nearly neutral, gray-leaning dark green.

Closest named color Dim Gray #696969 · ΔE 10.97 Nearest Tailwind class olive-600 #5b5b4b · ΔE 5

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#555f51

RGB

rgb(85, 95, 81)

HSL

hsl(102.9, 8%, 34.5%)

HSV / HSB

hsv(102.9, 14.7%, 37.3%)

CMYK

cmyk(10.5%, 0%, 14.7%, 62.7%)

LAB

lab(39.09, -6.85, 6.71)

LCH

lch(39.09, 9.59, 135.59)

OKLCH

oklch(47.2%, 0.0254, 136.76)

HWB

hwb(102.9, 31.8%, 62.7%)

Harmony colors

Complementary

#5b515f

Analogous

#5c5f51

#555f51

#515f54

Triadic

#555f51

#51555f

#5f5155

Split-complementary

#555f51

#54515f

#5f515c

Tetradic

#555f51

#515f5b

#5b515f

#5f5155

Square

#555f51

#515c5f

#5b515f

#5f5451

Shades

Color #555f51 mixed toward black.

#474f43

#393f36

#2a3028

#1c201b

#0e100d

Tints

Color #555f51 mixed toward white.

#707d6b

#8c9987

#a9b2a5

#c5ccc3

#e2e5e1

Tones

Color #555f51 mixed toward gray.

#555e52

#565d53

#565b54

#575a56

#575957

Accessibility

Aa White text on this color

6.68:1

Aa Black text on this color

3.14:1

White text reads better on this background (6.68:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#595a55 · ΔE 6.8

Deuteranopia

#595855 · ΔE 8.7

Tritanopia

#565758 · ΔE 10.1

Achromatopsia

#5c5c5c · ΔE 9.6

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #555f51;

Tailwind (arbitrary value)

bg-[#555f51]

Related colors

Lawn Green #7cfc00

Chartreuse #7fff00

Forest Green #228b22

Mint Green #98ff98

Dark Green #006400

Dark Sea Green #8fbc8f

Frequently asked questions

#555f51 (#555f51) is rgb(85, 95, 81) in RGB.

No, #555f51 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #555f51, or check how it holds up for accessibility.

Generate a palette → Check contrast