#40C289

#40C289

Color Values

HEX

#40C289

RGB

64, 194, 137

HSL

153.7, 51.6%, 50.6%

HSV

153.7, 67.0%, 76.1%

CMYK

67.0%, 0.0%, 29.4%, 23.9%

OKLCH

0.7288 0.141 160.4

Properties

Cool Light Nearest: mediumseagreen

Color Harmonies

Complementary

#40C289

#C24079

Analogous

#40C248

#40BAC2

#40C289

Triadic

#40C289

#8940C2

#C28940

Split Complementary

#40C289

#C240BA

#C24840

Tetradic

#40C289

#4840C2

#C24079

#BAC240

Color Blindness Simulation

Original

#40C289

Protanopia

#787997

Deuteranopia

#71679A

Tritanopia

#46A2A4

Achromatopsia

#A2A2A2

CSS Usage

background-color: #40C289;
color: #40C289;
border-color: #40C289;
Nearest Tailwind: Emerald 500 #10B981

Tailwind Shades

50
#F4FBF8
100
#E5F5EE
200
#C9EEDE
300
#A2E1C6
400
#70D1A7
500
#3EC188
600
#319B6C
700
#277C57
800
#1F6144
900
#1A4733
950
#102D20

Contrast Checker

Text on white

2.26:1

AA Fail AAA Fail

Text on black

9.3:1

AA Pass AAA Pass

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