#288F56

#288F56

Color Values

HEX

#288F56

RGB

40, 143, 86

HSL

146.8, 56.3%, 35.9%

HSV

146.8, 72.0%, 56.1%

CMYK

72.0%, 0.0%, 39.9%, 43.9%

OKLCH

0.5776 0.1277 154.4

Properties

Cool Light Nearest: seagreen

Color Harmonies

Complementary

#288F56

#8F2861

Analogous

#2E8F28

#288F8A

#288F56

Triadic

#288F56

#56288F

#8F5628

Split Complementary

#288F56

#8A288F

#8F282E

Tetradic

#288F56

#282E8F

#8F2861

#8F8A28

Color Blindness Simulation

Original

#288F56

Protanopia

#555564

Deuteranopia

#4F4767

Tritanopia

#2D6F71

Achromatopsia

#757575

CSS Usage

background-color: #288F56;
color: #288F56;
border-color: #288F56;
Nearest Tailwind: Emerald 600 #059669

Tailwind Shades

50
#F4FBF7
100
#E5F6EC
200
#C7EFD9
300
#9FE4BE
400
#6CD69B
500
#38C778
600
#2D9F60
700
#24804D
800
#1C643C
900
#18492E
950
#0F2E1D

Contrast Checker

Text on white

4.07:1

AA Fail AAA Fail

Text on black

5.15:1

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