#51B381

#51B381

Color Values

HEX

#51B381

RGB

81, 179, 129

HSL

149.4, 39.2%, 51.0%

HSV

149.4, 54.7%, 70.2%

CMYK

54.7%, 0.0%, 27.9%, 29.8%

OKLCH

0.6943 0.1193 158.7

Properties

Cool Light Nearest: Mountain Meadow

Color Harmonies

Complementary

#51B381

#B35183

Analogous

#52B351

#51B3B2

#51B381

Triadic

#51B381

#8151B3

#B38151

Split Complementary

#51B381

#B251B3

#B35152

Tetradic

#51B381

#5152B3

#B35183

#B3B251

Color Blindness Simulation

Original

#51B381

Protanopia

#7B7C8D

Deuteranopia

#766E90

Tritanopia

#569799

Achromatopsia

#9B9B9B

CSS Usage

background-color: #51B381;
color: #51B381;
border-color: #51B381;
Nearest Tailwind: Emerald 500 #10B981

Tailwind Shades

50
#F5FAF7
100
#E7F3ED
200
#CDE9DB
300
#AADAC1
400
#7CC6A0
500
#4EB17F
600
#3E8E65
700
#327251
800
#27593F
900
#1F4230
950
#14291E

Contrast Checker

Text on white

2.59:1

AA Fail AAA Fail

Text on black

8.11:1

AA Pass AAA Pass

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