#21CC21

#21CC21

Color Values

HEX

#21CC21

RGB

33, 204, 33

HSL

120.0, 72.2%, 46.5%

HSV

120.0, 83.8%, 80.0%

CMYK

83.8%, 0.0%, 83.8%, 20.0%

OKLCH

0.7356 0.2386 142.7

Properties

Cool Light Nearest: limegreen

Color Harmonies

Complementary

#21CC21

#CC21CC

Analogous

#77CC21

#21CC77

#21CC21

Triadic

#21CC21

#2121CC

#CC2121

Split Complementary

#21CC21

#7721CC

#CC2177

Tetradic

#21CC21

#2177CC

#CC21CC

#CC7721

Color Blindness Simulation

Original

#21CC21

Protanopia

#6B6D4A

Deuteranopia

#615454

Tritanopia

#2A6B72

Achromatopsia

#9B9B9B

CSS Usage

background-color: #21CC21;
color: #21CC21;
border-color: #21CC21;
Nearest Tailwind: Lime 500 #84CC16

Tailwind Shades

50
#F3FCF3
100
#E2F8E2
200
#C2F5C2
300
#96EE96
400
#5DE55D
500
#23DC23
600
#1CB01C
700
#178D17
800
#126E12
900
#115011
950
#0B320B

Contrast Checker

Text on white

2.16:1

AA Fail AAA Fail

Text on black

9.72:1

AA Pass AAA Pass

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026