#666D53

#666D53

Color Values

HEX

#666D53

RGB

102, 109, 83

HSL

76.2, 13.5%, 37.6%

HSV

76.2, 23.9%, 42.7%

CMYK

6.4%, 0.0%, 23.9%, 57.3%

OKLCH

0.5212 0.0402 120.0

Properties

Cool Dark Nearest: RAL 6013 Reed Green

Color Harmonies

Complementary

#666D53

#5A536D

Analogous

#6D6753

#596D53

#666D53

Triadic

#666D53

#53666D

#6D5366

Split Complementary

#666D53

#53596D

#67536D

Tetradic

#666D53

#536D67

#5A536D

#6D5359

Color Blindness Simulation

Original

#666D53

Protanopia

#696959

Deuteranopia

#69685B

Tritanopia

#665E5F

Achromatopsia

#6A6A6A

CSS Usage

background-color: #666D53;
color: #666D53;
border-color: #666D53;
Nearest Tailwind: Stone 500 #78716C

Tailwind Shades

50
#F8F8F6
100
#EEEFEB
200
#DEE0D6
300
#C6CABA
400
#A7AD94
500
#87916E
600
#6C7458
700
#575D47
800
#444837
900
#33362B
950
#20221B

Contrast Checker

Text on white

5.42:1

AA Pass AAA Fail

Text on black

3.88:1

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