#51990B

#51990B

Color Values

HEX

#51990B

RGB

81, 153, 11

HSL

90.4, 86.6%, 32.2%

HSV

90.4, 92.8%, 60.0%

CMYK

47.1%, 0.0%, 92.8%, 40.0%

OKLCH

0.6117 0.1747 134.9

Properties

Cool Light Nearest: chartreuse 4

Color Harmonies

Complementary

#51990B

#530B99

Analogous

#98990B

#0B990C

#51990B

Triadic

#51990B

#0B5199

#990B51

Split Complementary

#51990B

#0C0B99

#990B98

Tetradic

#51990B

#0B9899

#530B99

#990C0B

Color Blindness Simulation

Original

#51990B

Protanopia

#70712D

Deuteranopia

#6C6736

Tritanopia

#55494E

Achromatopsia

#7F7F7F

CSS Usage

background-color: #51990B;
color: #51990B;
border-color: #51990B;
Nearest Tailwind: Lime 600 #65A30D

Tailwind Shades

50
#F7FDF2
100
#EDFAE0
200
#DBFABC
300
#C1F78D
400
#A0F24F
500
#7EEE11
600
#65BE0E
700
#51980B
800
#3F7709
900
#30560B
950
#1E3607

Contrast Checker

Text on white

3.55:1

AA Fail AAA Fail

Text on black

5.91:1

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