#428566

#428566

Color Values

HEX

#428566

RGB

66, 133, 102

HSL

152.2, 33.7%, 39.0%

HSV

152.2, 50.4%, 52.2%

CMYK

50.4%, 0.0%, 23.3%, 47.8%

OKLCH

0.5635 0.0846 161.9

Properties

Cool Light Nearest: aquamarine 4

Color Harmonies

Complementary

#428566

#854261

Analogous

#428544

#428385

#428566

Triadic

#428566

#664285

#856642

Split Complementary

#428566

#854283

#854442

Tetradic

#428566

#444285

#854261

#838542

Color Blindness Simulation

Original

#428566

Protanopia

#5F606D

Deuteranopia

#5B566F

Tritanopia

#457375

Achromatopsia

#757575

CSS Usage

background-color: #428566;
color: #428566;
border-color: #428566;
Nearest Tailwind: Emerald 700 #047857

Tailwind Shades

50
#F5FAF8
100
#E8F2EE
200
#CFE7DC
300
#ADD6C3
400
#81C0A3
500
#55AA83
600
#448869
700
#366D54
800
#2A5541
900
#223F32
950
#15281F

Contrast Checker

Text on white

4.39:1

AA Fail AAA Fail

Text on black

4.78:1

AA Pass AAA Fail

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