#40B178

#40B178

Color Values

HEX

#40B178

RGB

64, 177, 120

HSL

149.7, 46.9%, 47.3%

HSV

149.7, 63.8%, 69.4%

CMYK

63.8%, 0.0%, 32.2%, 30.6%

OKLCH

0.6815 0.1331 157.7

Properties

Cool Light Nearest: Green

Color Harmonies

Complementary

#40B178

#B14079

Analogous

#41B140

#40B1B1

#40B178

Triadic

#40B178

#7840B1

#B17840

Split Complementary

#40B178

#B140B1

#B14041

Tetradic

#40B178

#4041B1

#B14079

#B1B140

Color Blindness Simulation

Original

#40B178

Protanopia

#717286

Deuteranopia

#6A6289

Tritanopia

#469193

Achromatopsia

#959595

CSS Usage

background-color: #40B178;
color: #40B178;
border-color: #40B178;
Nearest Tailwind: Emerald 500 #10B981

Tailwind Shades

50
#F4FAF7
100
#E6F4ED
200
#CBECDB
300
#A5DFC2
400
#74CDA0
500
#44BB7F
600
#369666
700
#2B7851
800
#225E3F
900
#1C4530
950
#122C1E

Contrast Checker

Text on white

2.7:1

AA Fail AAA Fail

Text on black

7.78:1

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