#121C03 Color Information

Hex color code: #121C03

A intense green shade, #121C03 appears as (18, 28, 3) in RGB and (84°, 81%, 6%) in HSL. It is widely used in graphic design.

Try:

Color NameBlack

HEX

#121C03

RGB

18, 28, 3

HSL

84°, 81%, 6%

CMYK

36%, 0%, 89%, 89%

Shades

CSS Usage

color: #121C03;
background-color: #121C03;
border-color: #121C03;
box-shadow: 0 0 10px #121C03;
border: 2px solid #121C03;

Tailwind Usage

bg-[#121C03]
text-[#121C03]
border-[#121C03]
shadow-[0_0_10px_121C03]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #121C03, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #121C03; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #121C03; color: #FFFFFF; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #121C03; background-color: #121C0315; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #121C0320; border-left: 4px solid #121C03; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #121C03; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #121C03 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

18, 28, 3

Red: 18 / Green: 28 / Blue: 3

HSL

84°, 81%, 6%

Hue: 84° / Saturation: 81% / Lightness: 6%

CMYK

36%, 0%, 89%, 89%

Cyan: 36% / Magenta: 0% / Yellow: 89% / Key: 89%

What color is #121C03?

#121C03 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

0D031C

Color Palette

HEX to RGB

Convert #121C03 to RGB:

rgb(18, 28, 3)HEX to RGB Converter →

HEX to HSL

Convert #121C03 to HSL:

hsl(84, 81%, 6%)RGB to HSL Converter →

HEX to CMYK

Convert #121C03 to CMYK:

cmyk(36%, 0%, 89%, 89%)Color Converter →

Color Meaning and Usage

A dramatic green tone, #121C03 has RGB (18, 28, 3) and HSL (84°, 81%, 6%). Known for evoking sophistication and elegance, this very dark shade is a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #121C03 is #0D031C, creating high-contrast pairings. For softer combinations, try analogous colors like #1C1903.

Use #121C03 in CSS: color: #121C03 or background-color: #121C03. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #121C03

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 1.19:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #121C03?

#121C03 is a dramatic green color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #121C03?

#121C03 in RGB is (18, 28, 3) - 18 red, 28 green, and 3 blue.

How to use #121C03 in CSS?

Use #121C03 directly in your CSS properties like color or background-color.

What colors go well with #121C03?

#0D031C (complementary), #1C1903 (analogous), and #000000 (lighter shade) work well with #121C03.