#40B678

#40B678

Color Values

HEX

#40B678

RGB

64, 182, 120

HSL

148.5, 48.0%, 48.2%

HSV

148.5, 64.8%, 71.4%

CMYK

64.8%, 0.0%, 34.1%, 28.6%

OKLCH

0.6944 0.14 156.5

Properties

Cool Light Nearest: mediumseagreen

Color Harmonies

Complementary

#40B678

#B6407E

Analogous

#43B640

#40B6B3

#40B678

Triadic

#40B678

#7840B6

#B67840

Split Complementary

#40B678

#B340B6

#B64043

Tetradic

#40B678

#4043B6

#B6407E

#B6B340

Color Blindness Simulation

Original

#40B678

Protanopia

#737487

Deuteranopia

#6C638B

Tritanopia

#469395

Achromatopsia

#989898

CSS Usage

background-color: #40B678;
color: #40B678;
border-color: #40B678;
Nearest Tailwind: Emerald 500 #10B981

Tailwind Shades

50
#F4FAF7
100
#E6F4ED
200
#CAECDA
300
#A4DFC0
400
#73CE9E
500
#42BD7C
600
#359764
700
#2A7950
800
#215E3E
900
#1C452F
950
#112C1E

Contrast Checker

Text on white

2.57:1

AA Fail AAA Fail

Text on black

8.18:1

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