#666B37

#666B37

Color Values

HEX

#666B37

RGB

102, 107, 55

HSL

65.8, 32.1%, 31.8%

HSV

65.8, 48.6%, 42.0%

CMYK

4.7%, 0.0%, 48.6%, 58.0%

OKLCH

0.5108 0.074 113.5

Properties

Cool Dark Nearest: darkolivegreen

Color Harmonies

Complementary

#666B37

#3C376B

Analogous

#6B5637

#4C6B37

#666B37

Triadic

#666B37

#37666B

#6B3766

Split Complementary

#666B37

#374C6B

#56376B

Tetradic

#666B37

#376B56

#3C376B

#6B374C

Color Blindness Simulation

Original

#666B37

Protanopia

#686844

Deuteranopia

#686847

Tritanopia

#664E50

Achromatopsia

#666666

CSS Usage

background-color: #666B37;
color: #666B37;
border-color: #666B37;
Nearest Tailwind: Lime 900 #365314

Tailwind Shades

50
#F9F9F5
100
#F1F2E8
200
#E5E7D0
300
#D2D5AE
400
#B9BF82
500
#A1A857
600
#808745
700
#676C37
800
#50542B
900
#3C3E22
950
#262716

Contrast Checker

Text on white

5.64:1

AA Pass AAA Fail

Text on black

3.72:1

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