#428F3F

#428F3F

Color Values

HEX

#428F3F

RGB

66, 143, 63

HSL

117.8, 38.8%, 40.4%

HSV

117.8, 55.9%, 56.1%

CMYK

53.8%, 0.0%, 55.9%, 43.9%

OKLCH

0.5822 0.1385 142.9

Properties

Cool Light Nearest: RAL 6017 May Green

Color Harmonies

Complementary

#428F3F

#8C3F8F

Analogous

#6A8F3F

#3F8F64

#428F3F

Triadic

#428F3F

#3F428F

#8F3F42

Split Complementary

#428F3F

#643F8F

#8F3F6A

Tetradic

#428F3F

#3F6A8F

#8C3F8F

#8F643F

Color Blindness Simulation

Original

#428F3F

Protanopia

#636452

Deuteranopia

#5F5957

Tritanopia

#466265

Achromatopsia

#797979

CSS Usage

background-color: #428F3F;
color: #428F3F;
border-color: #428F3F;
Nearest Tailwind: Green 700 #15803D

Tailwind Shades

50
#F5FAF5
100
#E8F3E7
200
#CEE9CD
300
#ACDAAA
400
#7FC57C
500
#52B14E
600
#418E3E
700
#347132
800
#295827
900
#214120
950
#152914

Contrast Checker

Text on white

4.01:1

AA Fail AAA Fail

Text on black

5.23:1

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