#21C573

#21C573

Color Values

HEX

#21C573

RGB

33, 197, 115

HSL

150.0, 71.3%, 45.1%

HSV

150.0, 83.2%, 77.3%

CMYK

83.2%, 0.0%, 41.6%, 22.7%

OKLCH

0.7261 0.1736 154.5

Properties

Cool Light Nearest: seagreen 3

Color Harmonies

Complementary

#21C573

#C52173

Analogous

#21C521

#21C5C5

#21C573

Triadic

#21C573

#7321C5

#C57321

Split Complementary

#21C573

#C521C5

#C52121

Tetradic

#21C573

#2121C5

#C52173

#C5C521

Color Blindness Simulation

Original

#21C573

Protanopia

#686987

Deuteranopia

#5E528C

Tritanopia

#29979A

Achromatopsia

#9C9C9C

CSS Usage

background-color: #21C573;
color: #21C573;
border-color: #21C573;
Nearest Tailwind: Green 400 #4ADE80

Tailwind Shades

50
#F3FCF7
100
#E2F8ED
200
#C2F5DB
300
#96EDC2
400
#5DE4A1
500
#25DA80
600
#1DAF66
700
#178C52
800
#126D40
900
#115030
950
#0B321F

Contrast Checker

Text on white

2.26:1

AA Fail AAA Fail

Text on black

9.3:1

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