#66CF5E

#66CF5E

Color Values

HEX

#66CF5E

RGB

102, 207, 94

HSL

115.8, 54.1%, 59.0%

HSV

115.8, 54.6%, 81.2%

CMYK

50.7%, 0.0%, 54.6%, 18.8%

OKLCH

0.7666 0.1808 142.3

Properties

Cool Light Nearest: NCS S 1050-G30Y Yellow Green

Color Harmonies

Complementary

#66CF5E

#C75ECF

Analogous

#9ECF5E

#5ECF8F

#66CF5E

Triadic

#66CF5E

#5E66CF

#CF5E66

Split Complementary

#66CF5E

#8F5ECF

#CF5E9E

Tetradic

#66CF5E

#5E9ECF

#C75ECF

#CF8F5E

Color Blindness Simulation

Original

#66CF5E

Protanopia

#939479

Deuteranopia

#8D8680

Tritanopia

#6B8F94

Achromatopsia

#B1B1B1

CSS Usage

background-color: #66CF5E;
color: #66CF5E;
border-color: #66CF5E;
Nearest Tailwind: Green 500 #22C55E

Tailwind Shades

50
#F4FBF4
100
#E6F5E5
200
#CBEFC8
300
#A5E3A1
400
#75D46E
500
#44C43B
600
#379D2F
700
#2C7E25
800
#22621D
900
#1C4819
950
#122D10

Contrast Checker

Text on white

1.97:1

AA Fail AAA Fail

Text on black

10.65:1

AA Pass AAA Pass

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026