#21B365

#21B365

Color Values

HEX

#21B365

RGB

33, 179, 101

HSL

147.9, 68.9%, 41.6%

HSV

147.9, 81.6%, 70.2%

CMYK

81.6%, 0.0%, 43.6%, 29.8%

OKLCH

0.6761 0.1635 153.4

Properties

Cool Light Nearest: NCS S 1060-G Bright Green

Color Harmonies

Complementary

#21B365

#B3216F

Analogous

#26B321

#21B3AE

#21B365

Triadic

#21B365

#6521B3

#B36521

Split Complementary

#21B365

#AE21B3

#B32126

Tetradic

#21B365

#2126B3

#B3216F

#B3AE21

Color Blindness Simulation

Original

#21B365

Protanopia

#606178

Deuteranopia

#584D7C

Tritanopia

#28878A

Achromatopsia

#8E8E8E

CSS Usage

background-color: #21B365;
color: #21B365;
border-color: #21B365;
Nearest Tailwind: Green 600 #16A34A

Tailwind Shades

50
#F3FCF7
100
#E3F8EC
200
#C3F4DA
300
#98ECBF
400
#60E29C
500
#28D779
600
#20AC61
700
#198A4E
800
#146C3D
900
#124E2E
950
#0C321D

Contrast Checker

Text on white

2.73:1

AA Fail AAA Fail

Text on black

7.7:1

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