#40C580

#40C580

Color Values

HEX

#40C580

RGB

64, 197, 128

HSL

148.9, 53.4%, 51.2%

HSV

148.9, 67.5%, 77.3%

CMYK

67.5%, 0.0%, 35.0%, 22.7%

OKLCH

0.7345 0.1529 156.3

Properties

Cool Light Nearest: seagreen 3

Color Harmonies

Complementary

#40C580

#C54085

Analogous

#43C540

#40C5C3

#40C580

Triadic

#40C580

#8040C5

#C58040

Split Complementary

#40C580

#C340C5

#C54043

Tetradic

#40C580

#4043C5

#C54085

#C5C340

Color Blindness Simulation

Original

#40C580

Protanopia

#7A7B91

Deuteranopia

#726895

Tritanopia

#479EA1

Achromatopsia

#A4A4A4

CSS Usage

background-color: #40C580;
color: #40C580;
border-color: #40C580;
Nearest Tailwind: Emerald 500 #10B981

Tailwind Shades

50
#F4FBF7
100
#E5F5ED
200
#C8EEDB
300
#A1E2C1
400
#6ED39F
500
#3BC47D
600
#309C64
700
#267D50
800
#1E623F
900
#194830
950
#102D1E

Contrast Checker

Text on white

2.21:1

AA Fail AAA Fail

Text on black

9.52:1

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