#51B378 Color Information

Hex color code: #51B378

A gentle green shade, #51B378 appears as (81, 179, 120) in RGB and (144°, 39%, 51%) in HSL. It is often used for branding and logos.

Try:

Color NameMedium Sea Green

HEX

#51B378

RGB

81, 179, 120

HSL

144°, 39%, 51%

CMYK

55%, 0%, 33%, 30%

Shades

CSS Usage

color: #51B378;
background-color: #51B378;
border-color: #51B378;
box-shadow: 0 0 10px #51B378;
border: 2px solid #51B378;

Tailwind Usage

bg-[#51B378]
text-[#51B378]
border-[#51B378]
shadow-[0_0_10px_51B378]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #51B378, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #51B378; color: #000000; }

Badge

New Feature

.badge { background-color: #51B378; color: #000000; }

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 #51B378; background-color: #51B37815; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #51B37820; border-left: 4px solid #51B378; }

Link / Accent

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

a { color: #51B378; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #51B378 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

81, 179, 120

Red: 81 / Green: 179 / Blue: 120

HSL

144°, 39%, 51%

Hue: 144° / Saturation: 39% / Lightness: 51%

CMYK

55%, 0%, 33%, 30%

Cyan: 55% / Magenta: 0% / Yellow: 33% / Key: 30%

What color is #51B378?

#51B378 is a green hue associated with nature and harmony.

Color Shades

Complementary Colors

B3518C

Color Palette

HEX to RGB

Convert #51B378 to RGB:

rgb(81, 179, 120)HEX to RGB Converter →

HEX to HSL

Convert #51B378 to HSL:

hsl(144, 39%, 51%)RGB to HSL Converter →

HEX to CMYK

Convert #51B378 to CMYK:

cmyk(55%, 0%, 33%, 30%)Color Converter →

Color Meaning and Usage

A gentle green tone, #51B378 has RGB (81, 179, 120) and HSL (144°, 39%, 51%). Known for evoking nature and harmony, this green hue is often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #51B378 is #B3518C, creating high-contrast pairings. For softer combinations, try analogous colors like #5BB351.

Use #51B378 in CSS: color: #51B378 or background-color: #51B378. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #51B378

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

Contrast Ratio: 8.07:1

WCAG AA: Pass

WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #51B378?

#51B378 is a gentle green color - a green hue that evokes nature and harmony.

What is the RGB value of #51B378?

#51B378 in RGB is (81, 179, 120) - 81 red, 179 green, and 120 blue.

How to use #51B378 in CSS?

Use #51B378 directly in your CSS properties like color or background-color.

What colors go well with #51B378?

#B3518C (complementary), #5BB351 (analogous), and #388055 (lighter shade) work well with #51B378.