#42EFEF

#42EFEF

Color Values

HEX

#42EFEF

RGB

66, 239, 239

HSL

180.0, 84.4%, 59.8%

HSV

180.0, 72.4%, 93.7%

CMYK

72.4%, 0.0%, 0.0%, 6.3%

OKLCH

0.8684 0.1351 195.0

Properties

Cool Light Nearest: cyan 2

Color Harmonies

Complementary

#42EFEF

#EF4242

Analogous

#42EF98

#4298EF

#42EFEF

Triadic

#42EFEF

#EF42EF

#EFEF42

Split Complementary

#42EFEF

#EF4298

#EF9842

Tetradic

#42EFEF

#9842EF

#EF4242

#98EF42

Color Blindness Simulation

Original

#42EFEF

Protanopia

#8D8EEF

Deuteranopia

#8376EF

Tritanopia

#4BEFEF

Achromatopsia

#CACACA

CSS Usage

background-color: #42EFEF;
color: #42EFEF;
border-color: #42EFEF;
Nearest Tailwind: Teal 300 #5EEAD4

Tailwind Shades

50
#F2FDFD
100
#E0FAFA
200
#BDF9F9
300
#8EF5F5
400
#51F0F0
500
#14EBEB
600
#10BCBC
700
#0D9696
800
#0A7676
900
#0C5555
950
#073636

Contrast Checker

Text on white

1.42:1

AA Fail AAA Fail

Text on black

14.82:1

AA Pass AAA Pass

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026