#66CFD6

#66CFD6

Color Values

HEX

#66CFD6

RGB

102, 207, 214

HSL

183.8, 57.7%, 62.0%

HSV

183.8, 52.3%, 83.9%

CMYK

52.3%, 3.3%, 0.0%, 16.1%

OKLCH

0.7949 0.0975 201.2

Properties

Cool Light Nearest: NCS S 0530-B40G Aqua

Color Harmonies

Complementary

#66CFD6

#D66D66

Analogous

#66D6A5

#6697D6

#66CFD6

Triadic

#66CFD6

#D666CF

#CFD666

Split Complementary

#66CFD6

#D66697

#D6A566

Tetradic

#66CFD6

#A566D6

#D66D66

#97D666

Color Blindness Simulation

Original

#66CFD6

Protanopia

#9394D4

Deuteranopia

#8D86D4

Tritanopia

#6BD3D3

Achromatopsia

#B9B9B9

CSS Usage

background-color: #66CFD6;
color: #66CFD6;
border-color: #66CFD6;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F4FBFB
100
#E4F5F6
200
#C7EDF0
300
#9EE1E5
400
#6AD0D7
500
#36C0C9
600
#2B99A1
700
#237B81
800
#1B6065
900
#17464A
950
#0F2C2E

Contrast Checker

Text on white

1.83:1

AA Fail AAA Fail

Text on black

11.46:1

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