#428F5F

#428F5F

Color Values

HEX

#428F5F

RGB

66, 143, 95

HSL

142.6, 36.8%, 41.0%

HSV

142.6, 53.8%, 56.1%

CMYK

53.8%, 0.0%, 33.6%, 43.9%

OKLCH

0.588 0.1067 154.1

Properties

Cool Light Nearest: seagreen

Color Harmonies

Complementary

#428F5F

#8F4272

Analogous

#4C8F42

#428F86

#428F5F

Triadic

#428F5F

#5F428F

#8F5F42

Split Complementary

#428F5F

#86428F

#8F424C

Tetradic

#428F5F

#424C8F

#8F4272

#8F8642

Color Blindness Simulation

Original

#428F5F

Protanopia

#63646B

Deuteranopia

#5F596D

Tritanopia

#467476

Achromatopsia

#7B7B7B

CSS Usage

background-color: #428F5F;
color: #428F5F;
border-color: #428F5F;
Nearest Tailwind: Emerald 600 #059669

Tailwind Shades

50
#F5FAF7
100
#E8F3EC
200
#CEE8D8
300
#ABD8BC
400
#7EC398
500
#51AE74
600
#408C5D
700
#34704A
800
#28573A
900
#20402C
950
#14291C

Contrast Checker

Text on white

3.94:1

AA Fail AAA Fail

Text on black

5.33:1

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