#666D1D

#666D1D

Color Values

HEX

#666D1D

RGB

102, 109, 29

HSL

65.2, 58.0%, 27.1%

HSV

65.2, 73.4%, 42.7%

CMYK

6.4%, 0.0%, 73.4%, 57.3%

OKLCH

0.5127 0.1015 114.3

Properties

Cool Dark Nearest: darkolivegreen

Color Harmonies

Complementary

#666D1D

#241D6D

Analogous

#6D4C1D

#3E6D1D

#666D1D

Triadic

#666D1D

#1D666D

#6D1D66

Split Complementary

#666D1D

#1D3E6D

#4C1D6D

Tetradic

#666D1D

#1D6D4C

#241D6D

#6D1D3E

Color Blindness Simulation

Original

#666D1D

Protanopia

#696930

Deuteranopia

#696835

Tritanopia

#664043

Achromatopsia

#666666

CSS Usage

background-color: #666D1D;
color: #666D1D;
border-color: #666D1D;
Nearest Tailwind: Lime 800 #3F6212

Tailwind Shades

50
#FAFBF4
100
#F4F6E4
200
#ECF0C7
300
#DFE59E
400
#CED76A
500
#BDC936
600
#97A12B
700
#798122
800
#5E651B
900
#454A17
950
#2C2F0F

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

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026