#428555

#428555

Color Values

HEX

#428555

RGB

66, 133, 85

HSL

137.0, 33.7%, 39.0%

HSV

137.0, 50.4%, 52.2%

CMYK

50.4%, 0.0%, 36.1%, 47.8%

OKLCH

0.5594 0.1013 151.1

Properties

Cool Light Nearest: seagreen

Color Harmonies

Complementary

#428555

#854272

Analogous

#508542

#428576

#428555

Triadic

#428555

#554285

#855542

Split Complementary

#428555

#764285

#854250

Tetradic

#428555

#425085

#854272

#857642

Color Blindness Simulation

Original

#428555

Protanopia

#5F6061

Deuteranopia

#5B5663

Tritanopia

#456A6C

Achromatopsia

#737373

CSS Usage

background-color: #428555;
color: #428555;
border-color: #428555;
Nearest Tailwind: Emerald 700 #047857

Tailwind Shades

50
#F5FAF6
100
#E8F2EB
200
#CFE7D6
300
#ADD6B9
400
#81C093
500
#55AA6D
600
#448857
700
#366D46
800
#2A5536
900
#223F2A
950
#15281B

Contrast Checker

Text on white

4.45:1

AA Fail AAA Fail

Text on black

4.72:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026