#18C9CD

#18C9CD

Color Values

HEX

#18C9CD

RGB

24, 201, 205

HSL

181.3, 79.0%, 44.9%

HSV

181.3, 88.3%, 80.4%

CMYK

88.3%, 2.0%, 0.0%, 19.6%

OKLCH

0.7596 0.1264 197.4

Properties

Cool Light Nearest: darkturquoise

Color Harmonies

Complementary

#18C9CD

#CD1C18

Analogous

#18CD76

#186FCD

#18C9CD

Triadic

#18C9CD

#CD18C9

#C9CD18

Split Complementary

#18C9CD

#CD186F

#CD7618

Tetradic

#18C9CD

#7618CD

#CD1C18

#6FCD18

Color Blindness Simulation

Original

#18C9CD

Protanopia

#6566CC

Deuteranopia

#5A4DCC

Tritanopia

#21CBCB

Achromatopsia

#A4A4A4

CSS Usage

background-color: #18C9CD;
color: #18C9CD;
border-color: #18C9CD;
Nearest Tailwind: Cyan 400 #22D3EE

Tailwind Shades

50
#F2FCFC
100
#E1F9F9
200
#BFF6F8
300
#91F0F2
400
#56E8EB
500
#1BE0E4
600
#15B3B7
700
#118F92
800
#0D7072
900
#0E5153
950
#093334

Contrast Checker

Text on white

2.04:1

AA Fail AAA Fail

Text on black

10.28:1

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