#51D491

#51D491

Color Values

HEX

#51D491

RGB

81, 212, 145

HSL

149.3, 60.4%, 57.5%

HSV

149.3, 61.8%, 83.1%

CMYK

61.8%, 0.0%, 31.6%, 16.9%

OKLCH

0.7806 0.1507 157.5

Properties

Cool Light Nearest: seagreen 3

Color Harmonies

Complementary

#51D491

#D45194

Analogous

#53D451

#51D4D3

#51D491

Triadic

#51D491

#9151D4

#D49151

Split Complementary

#51D491

#D351D4

#D45153

Tetradic

#51D491

#5153D4

#D45194

#D4D351

Color Blindness Simulation

Original

#51D491

Protanopia

#8A8BA1

Deuteranopia

#8278A5

Tritanopia

#58AEB1

Achromatopsia

#B3B3B3

CSS Usage

background-color: #51D491;
color: #51D491;
border-color: #51D491;
Nearest Tailwind: Emerald 400 #34D399

Tailwind Shades

50
#F3FBF7
100
#E4F6ED
200
#C6F1DB
300
#9DE7C1
400
#68DA9F
500
#32CD7E
600
#28A465
700
#208350
800
#19663F
900
#164B30
950
#0E2F1E

Contrast Checker

Text on white

1.88:1

AA Fail AAA Fail

Text on black

11.18:1

AA Pass AAA Pass

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026