#12F311

#12F311

Color Values

HEX

#12F311

RGB

18, 243, 17

HSL

119.7, 90.4%, 51.0%

HSV

119.7, 93.0%, 95.3%

CMYK

92.6%, 0.0%, 93.0%, 4.7%

OKLCH

0.8364 0.2811 142.5

Properties

Cool Light Nearest: green 2

Color Harmonies

Complementary

#12F311

#F211F3

Analogous

#83F311

#11F381

#12F311

Triadic

#12F311

#1112F3

#F31112

Split Complementary

#12F311

#8111F3

#F31183

Tetradic

#12F311

#1183F3

#F211F3

#F38111

Color Blindness Simulation

Original

#12F311

Protanopia

#737548

Deuteranopia

#665555

Tritanopia

#1D737C

Achromatopsia

#B3B3B3

CSS Usage

background-color: #12F311;
color: #12F311;
border-color: #12F311;
Nearest Tailwind: Lime 400 #A3E635

Tailwind Shades

50
#F2FDF1
100
#E0FBDF
200
#BBFCBB
300
#8BF98A
400
#4CF64B
500
#0DF30C
600
#0BC20A
700
#099B08
800
#077906
900
#095809
950
#063706

Contrast Checker

Text on white

1.52:1

AA Fail AAA Fail

Text on black

13.85:1

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