#555b57

Color #555b57

A nearly neutral, gray-leaning dark green.

Closest named color Dim Gray #696969 · ΔE 7.31 Nearest Tailwind class mist-600 #4b585b · ΔE 4.8

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

Conversions

HEX

#555b57

RGB

rgb(85, 91, 87)

HSL

hsl(140, 3.4%, 34.5%)

HSV / HSB

hsv(140, 6.6%, 35.7%)

CMYK

cmyk(6.6%, 0%, 4.4%, 64.3%)

LAB

lab(38.02, -3.23, 1.49)

LCH

lch(38.02, 3.56, 155.24)

OKLCH

oklch(46.5%, 0.0099, 156.8)

HWB

hwb(140, 33.3%, 64.3%)

Harmony colors

Complementary

#5b5559

Analogous

#565b55

#555b57

#555b5a

Triadic

#555b57

#57555b

#5b5755

Split-complementary

#555b57

#5a555b

#5b5556

Tetradic

#555b57

#55595b

#5b5559

#5b5755

Square

#555b57

#55565b

#5b5559

#5b5a55

Shades

Color #555b57 mixed toward black.

#474c48

#393d3a

#2a2d2b

#1c1e1d

#0e0f0e

Tints

Color #555b57 mixed toward white.

#707872

#8c938e

#a9aeab

#c5c9c7

#e2e4e3

Tones

Color #555b57 mixed toward gray.

#555a57

#565a57

#565957

#575958

#575858

Accessibility

Aa White text on this color

6.95:1

Aa Black text on this color

3.02:1

White text reads better on this background (6.95:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#585858 · ΔE 4.6

Deuteranopia

#575758 · ΔE 5.1

Tritanopia

#555959 · ΔE 2.9

Achromatopsia

#595959 · ΔE 4.6

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

Code

CSS

background-color: #555b57;

Tailwind (arbitrary value)

bg-[#555b57]

Related colors

Sea Green #2e8b57

Medium Sea Green #3cb371

Spring Green #00ff7f

Mint Cream #f5fffa

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Frequently asked questions

#555b57 (#555b57) is rgb(85, 91, 87) in RGB.

No, #555b57 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #555b57, or check how it holds up for accessibility.

Generate a palette → Check contrast