#288F55

#288F55

Color Values

HEX

#288F55

RGB

40, 143, 85

HSL

146.2, 56.3%, 35.9%

HSV

146.2, 72.0%, 56.1%

CMYK

72.0%, 0.0%, 40.6%, 43.9%

OKLCH

0.5774 0.1287 154.0

Properties

Cool Light Nearest: seagreen

Color Harmonies

Complementary

#288F55

#8F2862

Analogous

#2F8F28

#288F89

#288F55

Triadic

#288F55

#55288F

#8F5528

Split Complementary

#288F55

#89288F

#8F282F

Tetradic

#288F55

#282F8F

#8F2862

#8F8928

Color Blindness Simulation

Original

#288F55

Protanopia

#555563

Deuteranopia

#4F4766

Tritanopia

#2D6E71

Achromatopsia

#757575

CSS Usage

background-color: #288F55;
color: #288F55;
border-color: #288F55;
Nearest Tailwind: Green 700 #15803D

Tailwind Shades

50
#F4FBF7
100
#E5F6EC
200
#C7EFD9
300
#9FE4BD
400
#6CD69A
500
#38C776
600
#2D9F5F
700
#24804C
800
#1C643B
900
#18492D
950
#0F2E1D

Contrast Checker

Text on white

4.08:1

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