#66C699

#66C699

Color Values

HEX

#66C699

RGB

102, 198, 153

HSL

151.9, 45.7%, 58.8%

HSV

151.9, 48.5%, 77.6%

CMYK

48.5%, 0.0%, 22.7%, 22.4%

OKLCH

0.7554 0.1133 161.6

Properties

Cool Light Nearest: mediumaquamarine

Color Harmonies

Complementary

#66C699

#C66693

Analogous

#66C669

#66C3C6

#66C699

Triadic

#66C699

#9966C6

#C69966

Split Complementary

#66C699

#C666C3

#C66966

Tetradic

#66C699

#6966C6

#C66693

#C3C666

Color Blindness Simulation

Original

#66C699

Protanopia

#9090A4

Deuteranopia

#8A83A6

Tritanopia

#6BACAE

Achromatopsia

#AEAEAE

CSS Usage

background-color: #66C699;
color: #66C699;
border-color: #66C699;
Nearest Tailwind: Emerald 300 #6EE7B7

Tailwind Shades

50
#F4FAF8
100
#E6F4EE
200
#CBECDC
300
#A6DEC4
400
#76CCA3
500
#45BA83
600
#379569
700
#2C7754
800
#235D42
900
#1D4432
950
#122B1F

Contrast Checker

Text on white

2.08:1

AA Fail AAA Fail

Text on black

10.1:1

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