#21BA6F

#21BA6F

Color Values

HEX

#21BA6F

RGB

33, 186, 111

HSL

150.6, 69.9%, 42.9%

HSV

150.6, 82.3%, 72.9%

CMYK

82.3%, 0.0%, 40.3%, 27.1%

OKLCH

0.6965 0.1633 155.2

Properties

Cool Light Nearest: seagreen 3

Color Harmonies

Complementary

#21BA6F

#BA216C

Analogous

#21BA22

#21B8BA

#21BA6F

Triadic

#21BA6F

#6F21BA

#BA6F21

Split Complementary

#21BA6F

#BA21B8

#BA2221

Tetradic

#21BA6F

#2221BA

#BA216C

#B8BA21

Color Blindness Simulation

Original

#21BA6F

Protanopia

#636581

Deuteranopia

#5A4F86

Tritanopia

#298F93

Achromatopsia

#949494

CSS Usage

background-color: #21BA6F;
color: #21BA6F;
border-color: #21BA6F;
Nearest Tailwind: Emerald 500 #10B981

Tailwind Shades

50
#F3FCF7
100
#E3F8ED
200
#C2F4DC
300
#97EDC3
400
#5FE3A2
500
#26D981
600
#1FAD67
700
#198B53
800
#136C41
900
#124F31
950
#0B321F

Contrast Checker

Text on white

2.52:1

AA Fail AAA Fail

Text on black

8.32:1

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