#287258

#287258

Color Values

HEX

#287258

RGB

40, 114, 88

HSL

158.9, 48.1%, 30.2%

HSV

158.9, 64.9%, 44.7%

CMYK

64.9%, 0.0%, 22.8%, 55.3%

OKLCH

0.4986 0.0845 166.4

Properties

Cool Dark Nearest: RAL 6000 Patina Green

Color Harmonies

Complementary

#287258

#722842

Analogous

#287233

#286772

#287258

Triadic

#287258

#582872

#725828

Split Complementary

#287258

#722867

#723328

Tetradic

#287258

#332872

#722842

#677228

Color Blindness Simulation

Original

#287258

Protanopia

#48495E

Deuteranopia

#443E60

Tritanopia

#2C6364

Achromatopsia

#606060

CSS Usage

background-color: #287258;
color: #287258;
border-color: #287258;
Nearest Tailwind: Emerald 800 #065F46

Tailwind Shades

50
#F4FAF8
100
#E6F4EF
200
#CAECE0
300
#A4DFCB
400
#73CEAE
500
#42BD92
600
#359775
700
#2A795D
800
#215E49
900
#1B4537
950
#112C23

Contrast Checker

Text on white

5.77:1

AA Pass AAA Fail

Text on black

3.64:1

AA Fail 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