#66BEC5

#66BEC5

Color Values

HEX

#66BEC5

RGB

102, 190, 197

HSL

184.4, 45.0%, 58.6%

HSV

184.4, 48.2%, 77.3%

CMYK

48.2%, 3.6%, 0.0%, 22.7%

OKLCH

0.7494 0.0853 202.3

Properties

Cool Light Nearest: NCS S 0530-B40G Aqua

Color Harmonies

Complementary

#66BEC5

#C56D66

Analogous

#66C59C

#668EC5

#66BEC5

Triadic

#66BEC5

#C566BE

#BEC566

Split Complementary

#66BEC5

#C5668E

#C59C66

Tetradic

#66BEC5

#9C66C5

#C56D66

#8EC566

Color Blindness Simulation

Original

#66BEC5

Protanopia

#8C8DC3

Deuteranopia

#8780C3

Tritanopia

#6AC2C2

Achromatopsia

#ACACAC

CSS Usage

background-color: #66BEC5;
color: #66BEC5;
border-color: #66BEC5;
Nearest Tailwind: Cyan 500 #06B6D4

Tailwind Shades

50
#F4FAFA
100
#E6F3F4
200
#CBE9EB
300
#A6D9DD
400
#76C5CB
500
#46B0B9
600
#388D94
700
#2D7176
800
#23585C
900
#1D4144
950
#12292B

Contrast Checker

Text on white

2.16:1

AA Fail AAA Fail

Text on black

9.74:1

AA Pass AAA Pass

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026