#42CC51

#42CC51

Color Values

HEX

#42CC51

RGB

66, 204, 81

HSL

126.5, 57.5%, 52.9%

HSV

126.5, 67.6%, 80.0%

CMYK

67.6%, 0.0%, 60.3%, 20.0%

OKLCH

0.7456 0.2025 144.9

Properties

Cool Light Nearest: RAL 6038 Luminous Green

Color Harmonies

Complementary

#42CC51

#CC42BD

Analogous

#78CC42

#42CC96

#42CC51

Triadic

#42CC51

#5142CC

#CC5142

Split Complementary

#42CC51

#9642CC

#CC4278

Tetradic

#42CC51

#4278CC

#CC42BD

#CC9642

Color Blindness Simulation

Original

#42CC51

Protanopia

#7E7F6F

Deuteranopia

#766B76

Tritanopia

#49868B

Achromatopsia

#A6A6A6

CSS Usage

background-color: #42CC51;
color: #42CC51;
border-color: #42CC51;
Nearest Tailwind: Green 500 #22C55E

Tailwind Shades

50
#F4FBF4
100
#E4F6E6
200
#C7F0CB
300
#9FE5A6
400
#6AD776
500
#36C946
600
#2BA138
700
#23812D
800
#1B6423
900
#174A1D
950
#0F2E12

Contrast Checker

Text on white

2.1:1

AA Fail AAA Fail

Text on black

9.99:1

AA Pass AAA Pass

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026