#51D751

#51D751

Color Values

HEX

#51D751

RGB

81, 215, 81

HSL

120.0, 62.6%, 58.0%

HSV

120.0, 62.3%, 84.3%

CMYK

62.3%, 0.0%, 62.3%, 15.7%

OKLCH

0.778 0.2104 143.2

Properties

Cool Light Nearest: limegreen

Color Harmonies

Complementary

#51D751

#D751D7

Analogous

#94D751

#51D794

#51D751

Triadic

#51D751

#5151D7

#D75151

Split Complementary

#51D751

#9451D7

#D75194

Tetradic

#51D751

#5194D7

#D751D7

#D79451

Color Blindness Simulation

Original

#51D751

Protanopia

#8B8C71

Deuteranopia

#837979

Tritanopia

#588B91

Achromatopsia

#B1B1B1

CSS Usage

background-color: #51D751;
color: #51D751;
border-color: #51D751;
Nearest Tailwind: Green 500 #22C55E

Tailwind Shades

50
#F3FBF3
100
#E4F7E4
200
#C5F2C5
300
#9BE89B
400
#66DC66
500
#30CF30
600
#26A626
700
#1F851F
800
#186818
900
#154C15
950
#0D300D

Contrast Checker

Text on white

1.88:1

AA Fail AAA Fail

Text on black

11.19:1

AA Pass AAA Pass

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