#428F70

#428F70

Color Values

HEX

#428F70

RGB

66, 143, 112

HSL

155.8, 36.8%, 41.0%

HSV

155.8, 53.8%, 56.1%

CMYK

53.8%, 0.0%, 21.7%, 43.9%

OKLCH

0.5922 0.0909 164.7

Properties

Cool Light Nearest: Illuminating Emerald

Color Harmonies

Complementary

#428F70

#8F4261

Analogous

#428F4A

#42888F

#428F70

Triadic

#428F70

#70428F

#8F7042

Split Complementary

#428F70

#8F4288

#8F4A42

Tetradic

#428F70

#4A428F

#8F4261

#888F42

Color Blindness Simulation

Original

#428F70

Protanopia

#636477

Deuteranopia

#5F5979

Tritanopia

#467D7F

Achromatopsia

#7C7C7C

CSS Usage

background-color: #428F70;
color: #428F70;
border-color: #428F70;
Nearest Tailwind: Emerald 700 #047857

Tailwind Shades

50
#F5FAF8
100
#E8F3EE
200
#CEE8DE
300
#ABD8C6
400
#7EC3A7
500
#51AE89
600
#408C6D
700
#347057
800
#285744
900
#204034
950
#142921

Contrast Checker

Text on white

3.89:1

AA Fail AAA Fail

Text on black

5.39:1

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