#555D59

#555D59

Color Values

HEX

#555D59

RGB

85, 93, 89

HSL

150.0, 4.5%, 34.9%

HSV

150.0, 8.6%, 36.5%

CMYK

8.6%, 0.0%, 4.3%, 63.5%

OKLCH

0.47 0.0119 164.5

Properties

Cool Dark Nearest: RAL 7012 Basalt Grey

Color Harmonies

Complementary

#555D59

#5D5559

Analogous

#555D55

#555D5D

#555D59

Triadic

#555D59

#59555D

#5D5955

Split Complementary

#555D59

#5D555D

#5D5555

Tetradic

#555D59

#55555D

#5D5559

#5D5D55

Color Blindness Simulation

Original

#555D59

Protanopia

#58595A

Deuteranopia

#58575A

Tritanopia

#555B5B

Achromatopsia

#5B5B5B

CSS Usage

background-color: #555D59;
color: #555D59;
border-color: #555D59;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F7
100
#ECEEED
200
#DADDDB
300
#BFC5C2
400
#9CA5A1
500
#7A8580
600
#616B66
700
#4E5552
800
#3D4340
900
#2E3230
950
#1D201F

Contrast Checker

Text on white

6.78:1

AA Pass AAA Fail

Text on black

3.1:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026