#66CFD1

#66CFD1

Color Values

HEX

#66CFD1

RGB

102, 207, 209

HSL

181.1, 53.8%, 61.0%

HSV

181.1, 51.2%, 82.0%

CMYK

51.2%, 1.0%, 0.0%, 18.0%

OKLCH

0.7932 0.0973 197.0

Properties

Cool Light Nearest: mediumturquoise

Color Harmonies

Complementary

#66CFD1

#D16866

Analogous

#66D19E

#669AD1

#66CFD1

Triadic

#66CFD1

#D166CF

#CFD166

Split Complementary

#66CFD1

#D1669A

#D19E66

Tetradic

#66CFD1

#9E66D1

#D16866

#9AD166

Color Blindness Simulation

Original

#66CFD1

Protanopia

#9394D1

Deuteranopia

#8D86D0

Tritanopia

#6BD0D0

Achromatopsia

#B9B9B9

CSS Usage

background-color: #66CFD1;
color: #66CFD1;
border-color: #66CFD1;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F4FBFB
100
#E5F5F5
200
#C8EEEF
300
#A1E2E3
400
#6ED2D3
500
#3BC2C4
600
#2F9B9D
700
#267C7E
800
#1D6162
900
#194748
950
#102D2D

Contrast Checker

Text on white

1.84:1

AA Fail AAA Fail

Text on black

11.41:1

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