#66BDC2

#66BDC2

Color Values

HEX

#66BDC2

RGB

102, 189, 194

HSL

183.3, 43.0%, 58.0%

HSV

183.3, 47.4%, 76.1%

CMYK

47.4%, 2.6%, 0.0%, 23.9%

OKLCH

0.746 0.0843 200.4

Properties

Cool Light Nearest: NCS S 0530-B40G Aqua

Color Harmonies

Complementary

#66BDC2

#C26B66

Analogous

#66C299

#668FC2

#66BDC2

Triadic

#66BDC2

#C266BD

#BDC266

Split Complementary

#66BDC2

#C2668F

#C29966

Tetradic

#66BDC2

#9966C2

#C26B66

#8FC266

Color Blindness Simulation

Original

#66BDC2

Protanopia

#8C8CC1

Deuteranopia

#8780C0

Tritanopia

#6AC0C0

Achromatopsia

#ABABAB

CSS Usage

background-color: #66BDC2;
color: #66BDC2;
border-color: #66BDC2;
Nearest Tailwind: Cyan 500 #06B6D4

Tailwind Shades

50
#F5FAFA
100
#E7F3F4
200
#CCE9EB
300
#A7D9DC
400
#78C5C9
500
#49B0B6
600
#3A8D92
700
#2F7175
800
#24585B
900
#1E4143
950
#13292A

Contrast Checker

Text on white

2.18:1

AA Fail AAA Fail

Text on black

9.62:1

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