#51D291 Color Information

Hex color code: #51D291

The hex color #51D291 is a balanced cyan with RGB values of (81, 210, 145) and HSL of (150°, 59%, 57%). It is frequently seen in web interfaces.

Try:

Color NameMedium Aquamarine

HEX

#51D291

RGB

81, 210, 145

HSL

150°, 59%, 57%

CMYK

61%, 0%, 31%, 18%

Shades

CSS Usage

color: #51D291;
background-color: #51D291;
border-color: #51D291;
box-shadow: 0 0 10px #51D291;
border: 2px solid #51D291;

Tailwind Usage

bg-[#51D291]
text-[#51D291]
border-[#51D291]
shadow-[0_0_10px_51D291]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #51D291, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #51D291; color: #000000; }

Badge

New Feature

.badge { background-color: #51D291; 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 #51D291; background-color: #51D29115; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #51D29120; border-left: 4px solid #51D291; }

Link / Accent

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

a { color: #51D291; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #51D291 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

81, 210, 145

Red: 81 / Green: 210 / Blue: 145

HSL

150°, 59%, 57%

Hue: 150° / Saturation: 59% / Lightness: 57%

CMYK

61%, 0%, 31%, 18%

Cyan: 61% / Magenta: 0% / Yellow: 31% / Key: 18%

What color is #51D291?

#51D291 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

D25191

Color Palette

HEX to RGB

Convert #51D291 to RGB:

rgb(81, 210, 145)HEX to RGB Converter →

HEX to HSL

Convert #51D291 to HSL:

hsl(150, 59%, 57%)RGB to HSL Converter →

HEX to CMYK

Convert #51D291 to CMYK:

cmyk(61%, 0%, 31%, 18%)Color Converter →

Color Meaning and Usage

A balanced cyan tone, #51D291 has RGB (81, 210, 145) and HSL (150°, 59%, 57%). Known for evoking trust and professionalism, this cyan-blue hue is widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #51D291 is #D25191, creating high-contrast pairings. For softer combinations, try analogous colors like #51D251.

Use #51D291 in CSS: color: #51D291 or background-color: #51D291. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #51D291

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

Contrast Ratio: 10.98:1

WCAG AA: Pass

WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #51D291?

#51D291 is a balanced cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #51D291?

#51D291 in RGB is (81, 210, 145) - 81 red, 210 green, and 145 blue.

How to use #51D291 in CSS?

Use #51D291 directly in your CSS properties like color or background-color.

What colors go well with #51D291?

#D25191 (complementary), #51D251 (analogous), and #2CAA6B (lighter shade) work well with #51D291.