#666D73

#666D73

Color Values

HEX

#666D73

RGB

102, 109, 115

HSL

207.7, 6.0%, 42.5%

HSV

207.7, 11.3%, 45.1%

CMYK

11.3%, 5.2%, 0.0%, 54.9%

OKLCH

0.5308 0.0127 243.8

Properties

Cool Dark Nearest: dimgrey

Color Harmonies

Complementary

#666D73

#736C66

Analogous

#667372

#666673

#666D73

Triadic

#666D73

#73666D

#6D7366

Split Complementary

#666D73

#736666

#737266

Tetradic

#666D73

#726673

#736C66

#667366

Color Blindness Simulation

Original

#666D73

Protanopia

#696972

Deuteranopia

#696871

Tritanopia

#667070

Achromatopsia

#6C6C6C

CSS Usage

background-color: #666D73;
color: #666D73;
border-color: #666D73;
Nearest Tailwind: Zinc 500 #71717A

Tailwind Shades

50
#F7F7F8
100
#ECEDEE
200
#D9DBDD
300
#BEC2C5
400
#9BA1A6
500
#788087
600
#60666C
700
#4D5256
800
#3C4044
900
#2E3133
950
#1D1F20

Contrast Checker

Text on white

5.25:1

AA Pass AAA Fail

Text on black

4.0:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026