#66ACB5

#66ACB5

Color Values

HEX

#66ACB5

RGB

102, 172, 181

HSL

186.8, 34.8%, 55.5%

HSV

186.8, 43.6%, 71.0%

CMYK

43.6%, 5.0%, 0.0%, 29.0%

OKLCH

0.7016 0.0717 206.2

Properties

Cool Light Nearest: cadetblue

Color Harmonies

Complementary

#66ACB5

#B56F66

Analogous

#66B596

#6685B5

#66ACB5

Triadic

#66ACB5

#B566AC

#ACB566

Split Complementary

#66ACB5

#B56685

#B59666

Tetradic

#66ACB5

#9666B5

#B56F66

#85B566

Color Blindness Simulation

Original

#66ACB5

Protanopia

#8485B3

Deuteranopia

#807BB2

Tritanopia

#69B1B1

Achromatopsia

#9E9E9E

CSS Usage

background-color: #66ACB5;
color: #66ACB5;
border-color: #66ACB5;
Nearest Tailwind: Cyan 500 #06B6D4

Tailwind Shades

50
#F5F9FA
100
#E8F1F2
200
#CFE5E8
300
#ADD2D7
400
#80BAC1
500
#53A2AC
600
#438189
700
#35686E
800
#2A5156
900
#213C40
950
#152628

Contrast Checker

Text on white

2.58:1

AA Fail AAA Fail

Text on black

8.13:1

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