#128C55

#128C55

Color Values

HEX

#128C55

RGB

18, 140, 85

HSL

153.0, 77.2%, 31.0%

HSV

153.0, 87.1%, 54.9%

CMYK

87.1%, 0.0%, 39.3%, 45.1%

OKLCH

0.5651 0.1308 156.6

Properties

Cool Light Nearest: seagreen

Color Harmonies

Complementary

#128C55

#8C1249

Analogous

#128C18

#12868C

#128C55

Triadic

#128C55

#55128C

#8C5512

Split Complementary

#128C55

#8C1286

#8C1812

Tetradic

#128C55

#18128C

#8C1249

#868C12

Color Blindness Simulation

Original

#128C55

Protanopia

#474862

Deuteranopia

#403766

Tritanopia

#186D6F

Achromatopsia

#6E6E6E

CSS Usage

background-color: #128C55;
color: #128C55;
border-color: #128C55;
Nearest Tailwind: Emerald 600 #059669

Tailwind Shades

50
#F2FCF8
100
#E1F9EE
200
#C0F7DE
300
#93F1C7
400
#58E9A8
500
#1DE289
600
#17B56E
700
#139158
800
#0F7145
900
#0F5234
950
#093421

Contrast Checker

Text on white

4.28:1

AA Fail AAA Fail

Text on black

4.91:1

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