#81900C

#81900C

Color Values

HEX

#81900C

RGB

129, 144, 12

HSL

66.8, 84.6%, 30.6%

HSV

66.8, 91.7%, 56.5%

CMYK

10.4%, 0.0%, 91.7%, 43.5%

OKLCH

0.6199 0.1399 117.0

Properties

Cool Light Nearest: yellow 4

Color Harmonies

Complementary

#81900C

#1B0C90

Analogous

#905D0C

#3F900C

#81900C

Triadic

#81900C

#0C8190

#900C81

Split Complementary

#81900C

#0C3F90

#5D0C90

Tetradic

#81900C

#0C905D

#1B0C90

#900C3F

Color Blindness Simulation

Original

#81900C

Protanopia

#87882C

Deuteranopia

#878634

Tritanopia

#82454B

Achromatopsia

#838383

CSS Usage

background-color: #81900C;
color: #81900C;
border-color: #81900C;
Nearest Tailwind: Lime 700 #4D7C0F

Tailwind Shades

50
#FCFDF2
100
#F7FAE0
200
#F3FABD
300
#EAF68E
400
#DEF051
500
#D3EB14
600
#A9BC10
700
#87970D
800
#69760A
900
#4D550C
950
#313607

Contrast Checker

Text on white

3.54:1

AA Fail AAA Fail

Text on black

5.93:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026