#666D65

#666D65

Color Values

HEX

#666D65

RGB

102, 109, 101

HSL

112.5, 3.8%, 41.2%

HSV

112.5, 7.3%, 42.7%

CMYK

6.4%, 0.0%, 7.3%, 57.3%

OKLCH

0.5262 0.015 141.8

Properties

Cool Dark Nearest: RAL 7005 Mouse Grey

Color Harmonies

Complementary

#666D65

#6C656D

Analogous

#6A6D65

#656D68

#666D65

Triadic

#666D65

#65666D

#6D6566

Split Complementary

#666D65

#68656D

#6D656A

Tetradic

#666D65

#656A6D

#6C656D

#6D6865

Color Blindness Simulation

Original

#666D65

Protanopia

#696967

Deuteranopia

#696867

Tritanopia

#666869

Achromatopsia

#6B6B6B

CSS Usage

background-color: #666D65;
color: #666D65;
border-color: #666D65;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F7
100
#EDEEED
200
#DADDDA
300
#C0C4BF
400
#9EA49D
500
#7C847B
600
#636A62
700
#4F554E
800
#3E423D
900
#2F322F
950
#1E201E

Contrast Checker

Text on white

5.33:1

AA Pass AAA Fail

Text on black

3.94:1

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