#666D1F

#666D1F

Color Values

HEX

#666D1F

RGB

102, 109, 31

HSL

65.4, 55.7%, 27.5%

HSV

65.4, 71.6%, 42.7%

CMYK

6.4%, 0.0%, 71.6%, 57.3%

OKLCH

0.5128 0.1 114.4

Properties

Cool Dark Nearest: darkolivegreen

Color Harmonies

Complementary

#666D1F

#261F6D

Analogous

#6D4D1F

#3F6D1F

#666D1F

Triadic

#666D1F

#1F666D

#6D1F66

Split Complementary

#666D1F

#1F3F6D

#4D1F6D

Tetradic

#666D1F

#1F6D4D

#261F6D

#6D1F3F

Color Blindness Simulation

Original

#666D1F

Protanopia

#696932

Deuteranopia

#696836

Tritanopia

#664144

Achromatopsia

#666666

CSS Usage

background-color: #666D1F;
color: #666D1F;
border-color: #666D1F;
Nearest Tailwind: Lime 800 #3F6212

Tailwind Shades

50
#FAFBF4
100
#F4F6E5
200
#ECEFC7
300
#DEE4A0
400
#CCD56C
500
#BAC738
600
#959F2D
700
#777F24
800
#5D631C
900
#444918
950
#2B2E0F

Contrast Checker

Text on white

5.57:1

AA Pass AAA Fail

Text on black

3.77:1

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