#66B129

#66B129

Color Values

HEX

#66B129

RGB

102, 177, 41

HSL

93.1, 62.4%, 42.7%

HSV

93.1, 76.8%, 69.4%

CMYK

42.4%, 0.0%, 76.8%, 30.6%

OKLCH

0.6857 0.1808 134.6

Properties

Cool Light Nearest: NCS S 1050-G30Y Yellow Green

Color Harmonies

Complementary

#66B129

#7429B1

Analogous

#AAB129

#29B130

#66B129

Triadic

#66B129

#2966B1

#B12966

Split Complementary

#66B129

#3029B1

#B129AA

Tetradic

#66B129

#29AAB1

#7429B1

#B13029

Color Blindness Simulation

Original

#66B129

Protanopia

#86874A

Deuteranopia

#827C52

Tritanopia

#6A646A

Achromatopsia

#979797

CSS Usage

background-color: #66B129;
color: #66B129;
border-color: #66B129;
Nearest Tailwind: Lime 600 #65A30D

Tailwind Shades

50
#F7FBF3
100
#ECF7E4
200
#D9F2C5
300
#BEE89C
400
#9BDC66
500
#77CF30
600
#5FA626
700
#4C851F
800
#3C6818
900
#2E4C15
950
#1D300D

Contrast Checker

Text on white

2.66:1

AA Fail AAA Fail

Text on black

7.89:1

AA Pass AAA Pass

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026