#1FF021

#1FF021

Color Values

HEX

#1FF021

RGB

31, 240, 33

HSL

120.6, 87.4%, 53.1%

HSV

120.6, 87.1%, 94.1%

CMYK

87.1%, 0.0%, 86.2%, 5.9%

OKLCH

0.83 0.2735 142.7

Properties

Cool Light Nearest: green 2

Color Harmonies

Complementary

#1FF021

#F01FEE

Analogous

#85F01F

#1FF089

#1FF021

Triadic

#1FF021

#211FF0

#F0211F

Split Complementary

#1FF021

#891FF0

#F01F85

Tetradic

#1FF021

#1F85F0

#F01FEE

#F0891F

Color Blindness Simulation

Original

#1FF021

Protanopia

#7A7B53

Deuteranopia

#6D5E5F

Tritanopia

#297B83

Achromatopsia

#B5B5B5

CSS Usage

background-color: #1FF021;
color: #1FF021;
border-color: #1FF021;
Nearest Tailwind: Lime 500 #84CC16

Tailwind Shades

50
#F2FDF2
100
#E0FAE0
200
#BCFBBD
300
#8CF78D
400
#4EF350
500
#10EF12
600
#0DBF0F
700
#0A990C
800
#087709
900
#0A570B
950
#073707

Contrast Checker

Text on white

1.55:1

AA Fail AAA Fail

Text on black

13.54:1

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