#21BBBA

#21BBBA

Color Values

HEX

#21BBBA

RGB

33, 187, 186

HSL

179.6, 70.0%, 43.1%

HSV

179.6, 82.4%, 73.3%

CMYK

82.4%, 0.0%, 0.5%, 26.7%

OKLCH

0.7194 0.1176 194.1

Properties

Cool Light Nearest: lightseagreen

Color Harmonies

Complementary

#21BBBA

#BB2122

Analogous

#21BB6D

#216FBB

#21BBBA

Triadic

#21BBBA

#BA21BB

#BBBA21

Split Complementary

#21BBBA

#BB216F

#BB6D21

Tetradic

#21BBBA

#6D21BB

#BB2122

#6FBB21

Color Blindness Simulation

Original

#21BBBA

Protanopia

#6465BA

Deuteranopia

#5B4FBA

Tritanopia

#29BABA

Achromatopsia

#9A9A9A

CSS Usage

background-color: #21BBBA;
color: #21BBBA;
border-color: #21BBBA;
Nearest Tailwind: Teal 500 #14B8A6

Tailwind Shades

50
#F3FCFC
100
#E3F8F8
200
#C2F4F4
300
#97EDEC
400
#5FE3E2
500
#26D9D8
600
#1FADAC
700
#188B8A
800
#136C6C
900
#124F4F
950
#0B3232

Contrast Checker

Text on white

2.36:1

AA Fail AAA Fail

Text on black

8.88:1

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