#21BC71

#21BC71

Color Values

HEX

#21BC71

RGB

33, 188, 113

HSL

151,0, 70,1%, 43,3%

HSV

151,0, 82,4%, 73,7%

CMYK

82,4%, 0,0%, 39,9%, 26,3%

OKLCH

0,7021 0,1641 155,5

Properties

Cool Light Nearest: seagreen 3

Color Harmonies

Complementary

#21BC71

#BC216C

Analogous

#21BC24

#21B9BC

#21BC71

Triadic

#21BC71

#7121BC

#BC7121

Split Complementary

#21BC71

#BC21B9

#BC2421

Tetradic

#21BC71

#2421BC

#BC216C

#B9BC21

Color Blindness Simulation

Original

#21BC71

Protanopia

#646583

Deuteranopia

#5B5088

Tritanopia

#299195

Achromatopsia

#969696

CSS Usage

background-color: #21BC71;
color: #21BC71;
border-color: #21BC71;
Nearest Tailwind: Emerald 500 #10B981

Tailwind Shades

50
#F3FCF8
100
#E3F8EE
200
#C2F4DC
300
#97EDC3
400
#5FE3A3
500
#26D982
600
#1EAE68
700
#188B54
800
#136C41
900
#124F31
950
#0B321F

Contrast Checker

Text on white

2,47:1

AA Fail AAA Fail

Text on black

8,5:1

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