#40803F

#40803F

Color Values

HEX

#40803F

RGB

64, 128, 63

HSL

119.1, 34.0%, 37.5%

HSV

119.1, 50.8%, 50.2%

CMYK

50.0%, 0.0%, 50.8%, 49.8%

OKLCH

0.5409 0.1176 143.4

Properties

Cool Dark Nearest: RAL 6032 Signal Green

Color Harmonies

Complementary

#40803F

#7F3F80

Analogous

#61803F

#3F805F

#40803F

Triadic

#40803F

#3F4080

#803F40

Split Complementary

#40803F

#5F3F80

#803F61

Tetradic

#40803F

#3F6180

#7F3F80

#805F3F

Color Blindness Simulation

Original

#40803F

Protanopia

#5C5C4F

Deuteranopia

#585352

Tritanopia

#435B5E

Achromatopsia

#6E6E6E

CSS Usage

background-color: #40803F;
color: #40803F;
border-color: #40803F;
Nearest Tailwind: Green 700 #15803D

Tailwind Shades

50
#F5FAF5
100
#E8F2E8
200
#D0E7CF
300
#AED7AD
400
#82C181
500
#55AB54
600
#448943
700
#376D36
800
#2B552A
900
#223F22
950
#162815

Contrast Checker

Text on white

4.8:1

AA Pass AAA Fail

Text on black

4.38:1

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