#121D04

#121D04

Color Values

HEX

#121D04

RGB

18, 29, 4

HSL

86.4, 75.8%, 6.5%

HSV

86.4, 86.2%, 11.4%

CMYK

37.9%, 0.0%, 86.2%, 88.6%

OKLCH

0.213 0.0473 129.1

Properties

Cool Dark Nearest: RAL 6022 Olive Drab

Color Harmonies

Complementary

#121D04

#0F041D

Analogous

#1D1C04

#061D04

#121D04

Triadic

#121D04

#04121D

#1D0412

Split Complementary

#121D04

#04061D

#1C041D

Tetradic

#121D04

#041D1C

#0F041D

#1D0406

Color Blindness Simulation

Original

#121D04

Protanopia

#17170A

Deuteranopia

#16150C

Tritanopia

#130F10

Achromatopsia

#191919

CSS Usage

background-color: #121D04;
color: #121D04;
border-color: #121D04;
Nearest Tailwind: Green 950 #052E16

Tailwind Shades

50
#F8FCF2
100
#EFF9E2
200
#DFF6C0
300
#C7F093
400
#A9E859
500
#8BE01F
600
#6FB319
700
#598F14
800
#46700F
900
#34520F
950
#21330A

Contrast Checker

Text on white

17.45:1

AA Pass AAA Pass

Text on black

1.2:1

AA Fail AAA Fail

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