#428C6C

#428C6C

Color Values

HEX

#428C6C

RGB

66, 140, 108

HSL

154.1, 35.9%, 40.4%

HSV

154.1, 52.9%, 54.9%

CMYK

52.9%, 0.0%, 22.9%, 45.1%

OKLCH

0.5833 0.0899 163.1

Properties

Cool Light Nearest: aquamarine 4

Color Harmonies

Complementary

#428C6C

#8C4262

Analogous

#428C47

#42878C

#428C6C

Triadic

#428C6C

#6C428C

#8C6C42

Split Complementary

#428C6C

#8C4287

#8C4742

Tetradic

#428C6C

#47428C

#8C4262

#878C42

Color Blindness Simulation

Original

#428C6C

Protanopia

#626374

Deuteranopia

#5E5876

Tritanopia

#467A7B

Achromatopsia

#7A7A7A

CSS Usage

background-color: #428C6C;
color: #428C6C;
border-color: #428C6C;
Nearest Tailwind: Emerald 700 #047857

Tailwind Shades

50
#F5FAF8
100
#E8F3EE
200
#CEE8DD
300
#ACD8C5
400
#7FC3A5
500
#52AD86
600
#418B6B
700
#346F56
800
#295743
900
#214033
950
#152820

Contrast Checker

Text on white

4.04:1

AA Fail AAA Fail

Text on black

5.2:1

AA Pass AAA Fail

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