#66655C

#66655C

Color Values

HEX

#66655C

RGB

102, 101, 92

HSL

54.0, 5.2%, 38.0%

HSV

54.0, 9.8%, 40.0%

CMYK

0.0%, 1.0%, 9.8%, 60.0%

OKLCH

0.5048 0.014 101.7

Properties

Warm Dark Nearest: RAL 7039 Quartz Grey

Color Harmonies

Complementary

#66655C

#5C5D66

Analogous

#66605C

#62665C

#66655C

Triadic

#66655C

#5C6665

#655C66

Split Complementary

#66655C

#5C6266

#605C66

Tetradic

#66655C

#5C6660

#5C5D66

#665C62

Color Blindness Simulation

Original

#66655C

Protanopia

#66665E

Deuteranopia

#66665F

Tritanopia

#666060

Achromatopsia

#656565

CSS Usage

background-color: #66655C;
color: #66655C;
border-color: #66655C;
Nearest Tailwind: Stone 500 #78716C

Tailwind Shades

50
#F8F8F7
100
#EEEEEC
200
#DDDDD9
300
#C5C4BF
400
#A6A59C
500
#868579
600
#6B6A61
700
#56554D
800
#43423C
900
#33322E
950
#20201D

Contrast Checker

Text on white

5.86:1

AA Pass AAA Fail

Text on black

3.58:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026