#18D9DF

#18D9DF

Color Values

HEX

#18D9DF

RGB

24, 217, 223

HSL

181.8, 80.6%, 48.4%

HSV

181.8, 89.2%, 87.5%

CMYK

89.2%, 2.7%, 0.0%, 12.5%

OKLCH

0.8049 0.1343 198.4

Properties

Cool Light Nearest: darkturquoise

Color Harmonies

Complementary

#18D9DF

#DF1E18

Analogous

#18DF81

#1875DF

#18D9DF

Triadic

#18D9DF

#DF18D9

#D9DF18

Split Complementary

#18D9DF

#DF1875

#DF8118

Tetradic

#18D9DF

#8118DF

#DF1E18

#75DF18

Color Blindness Simulation

Original

#18D9DF

Protanopia

#6C6DDE

Deuteranopia

#6052DD

Tritanopia

#22DCDC

Achromatopsia

#B0B0B0

CSS Usage

background-color: #18D9DF;
color: #18D9DF;
border-color: #18D9DF;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F2FCFD
100
#E1F9F9
200
#BFF6F8
300
#90F0F3
400
#55E8ED
500
#19E0E6
600
#14B3B8
700
#108F93
800
#0C7073
900
#0D5154
950
#083335

Contrast Checker

Text on white

1.75:1

AA Fail AAA Fail

Text on black

12.03:1

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