#66C261

#66C261

Color Values

HEX

#66C261

RGB

102, 194, 97

HSL

116.9, 44.3%, 57.1%

HSV

116.9, 50.0%, 76.1%

CMYK

47.4%, 0.0%, 50.0%, 23.9%

OKLCH

0.7345 0.1604 142.7

Properties

Cool Light Nearest: RAL 6018 Yellow Green

Color Harmonies

Complementary

#66C261

#BD61C2

Analogous

#97C261

#61C28D

#66C261

Triadic

#66C261

#6166C2

#C26166

Split Complementary

#66C261

#8D61C2

#C26197

Tetradic

#66C261

#6197C2

#BD61C2

#C28D61

Color Blindness Simulation

Original

#66C261

Protanopia

#8E8F78

Deuteranopia

#88827E

Tritanopia

#6B8B8F

Achromatopsia

#A7A7A7

CSS Usage

background-color: #66C261;
color: #66C261;
border-color: #66C261;
Nearest Tailwind: Green 500 #22C55E

Tailwind Shades

50
#F5FAF4
100
#E7F4E6
200
#CDEBCB
300
#A9DDA7
400
#7BCA77
500
#4DB847
600
#3D9339
700
#31762D
800
#265C24
900
#1F441D
950
#142B12

Contrast Checker

Text on white

2.22:1

AA Fail AAA Fail

Text on black

9.45:1

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