#646D1B

#646D1B

Color Values

HEX

#646D1B

RGB

100, 109, 27

HSL

66.6, 60.3%, 26.7%

HSV

66.6, 75.2%, 42.7%

CMYK

8.3%, 0.0%, 75.2%, 57.3%

OKLCH

0.5108 0.1036 115.6

Properties

Cool Dark Nearest: darkolivegreen

Color Harmonies

Complementary

#646D1B

#241B6D

Analogous

#6D4D1B

#3B6D1B

#646D1B

Triadic

#646D1B

#1B646D

#6D1B64

Split Complementary

#646D1B

#1B3B6D

#4D1B6D

Tetradic

#646D1B

#1B6D4D

#241B6D

#6D1B3B

Color Blindness Simulation

Original

#646D1B

Protanopia

#68682F

Deuteranopia

#676734

Tritanopia

#643F42

Achromatopsia

#656565

CSS Usage

background-color: #646D1B;
color: #646D1B;
border-color: #646D1B;
Nearest Tailwind: Lime 800 #3F6212

Tailwind Shades

50
#FAFBF3
100
#F4F6E4
200
#ECF1C6
300
#DFE79D
400
#CDDA68
500
#BBCC33
600
#96A428
700
#788320
800
#5E6619
900
#454B16
950
#2C2F0E

Contrast Checker

Text on white

5.61:1

AA Pass AAA Fail

Text on black

3.75:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026