#42EEEF

#42EEEF

Color Values

HEX

#42EEEF

RGB

66, 238, 239

HSL

180.3, 84.4%, 59.8%

HSV

180.3, 72.4%, 93.7%

CMYK

72.4%, 0.4%, 0.0%, 6.3%

OKLCH

0.8661 0.1345 195.5

Properties

Cool Light Nearest: cyan 2

Color Harmonies

Complementary

#42EEEF

#EF4342

Analogous

#42EF99

#4298EF

#42EEEF

Triadic

#42EEEF

#EF42EE

#EEEF42

Split Complementary

#42EEEF

#EF4298

#EF9942

Tetradic

#42EEEF

#9942EF

#EF4342

#98EF42

Color Blindness Simulation

Original

#42EEEF

Protanopia

#8D8EEF

Deuteranopia

#8276EF

Tritanopia

#4BEFEF

Achromatopsia

#CACACA

CSS Usage

background-color: #42EEEF;
color: #42EEEF;
border-color: #42EEEF;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F2FDFD
100
#E0FAFA
200
#BDF9F9
300
#8EF5F5
400
#51EFF0
500
#14EAEB
600
#10BBBC
700
#0D9696
800
#0A7576
900
#0C5555
950
#073636

Contrast Checker

Text on white

1.43:1

AA Fail AAA Fail

Text on black

14.71:1

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