#21A39F

#21A39F

Color Values

HEX

#21A39F

RGB

33, 163, 159

HSL

178.2, 66.3%, 38.4%

HSV

178.2, 79.8%, 63.9%

CMYK

79.8%, 0.0%, 2.5%, 36.1%

OKLCH

0.6495 0.105 191.6

Properties

Cool Light Nearest: NCS S 1050-B50G Turquoise

Color Harmonies

Complementary

#21A39F

#A32125

Analogous

#21A35E

#2166A3

#21A39F

Triadic

#21A39F

#9F21A3

#A39F21

Split Complementary

#21A39F

#A32166

#A35E21

Tetradic

#21A39F

#5E21A3

#A32125

#66A321

Color Blindness Simulation

Original

#21A39F

Protanopia

#595AA0

Deuteranopia

#5248A0

Tritanopia

#28A1A1

Achromatopsia

#878787

CSS Usage

background-color: #21A39F;
color: #21A39F;
border-color: #21A39F;
Nearest Tailwind: Teal 600 #0D9488

Tailwind Shades

50
#F3FCFB
100
#E3F7F7
200
#C4F3F2
300
#99EAE8
400
#62DFDB
500
#2BD4CF
600
#22AAA6
700
#1B8884
800
#156A67
900
#144D4C
950
#0C3130

Contrast Checker

Text on white

3.09:1

AA Fail AAA Fail

Text on black

6.8:1

AA Pass AAA Fail

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