#51DDF0 Color Information

Hex color code: #51DDF0

A bold cyan shade, #51DDF0 appears as (81, 221, 240) in RGB and (187°, 84%, 63%) in HSL. It is frequently seen in web interfaces.

Try:

Color NameTurquoise

HEX

#51DDF0

RGB

81, 221, 240

HSL

187°, 84%, 63%

CMYK

66%, 8%, 0%, 6%

Shades

CSS Usage

color: #51DDF0;
background-color: #51DDF0;
border-color: #51DDF0;
box-shadow: 0 0 10px #51DDF0;
border: 2px solid #51DDF0;

Tailwind Usage

bg-[#51DDF0]
text-[#51DDF0]
border-[#51DDF0]
shadow-[0_0_10px_51DDF0]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #51DDF0, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #51DDF0; color: #000000; }

Badge

New Feature

.badge { background-color: #51DDF0; 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 #51DDF0; background-color: #51DDF015; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #51DDF020; border-left: 4px solid #51DDF0; }

Link / Accent

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

a { color: #51DDF0; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #51DDF0 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

81, 221, 240

Red: 81 / Green: 221 / Blue: 240

HSL

187°, 84%, 63%

Hue: 187° / Saturation: 84% / Lightness: 63%

CMYK

66%, 8%, 0%, 6%

Cyan: 66% / Magenta: 8% / Yellow: 0% / Key: 6%

What color is #51DDF0?

#51DDF0 is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

F06451

Color Palette

HEX to RGB

Convert #51DDF0 to RGB:

rgb(81, 221, 240)HEX to RGB Converter →

HEX to HSL

Convert #51DDF0 to HSL:

hsl(187, 84%, 63%)RGB to HSL Converter →

HEX to CMYK

Convert #51DDF0 to CMYK:

cmyk(66%, 8%, 0%, 6%)Color Converter →

Color Meaning and Usage

#51DDF0 is a eye-catching cyan color with RGB values of 81, 221, 240 and HSL of 187°, 84%, 63%. This highly saturated hue evokes energy and excitement, making it suitable for commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #51DDF0 is #F06451, creating high-contrast pairings. For softer combinations, try analogous colors like #51F0B3.

Use #51DDF0 in CSS: color: #51DDF0 or background-color: #51DDF0. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #51DDF0

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

Contrast Ratio: 12.95:1

WCAG AA: Pass

WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #51DDF0?

#51DDF0 is a eye-catching cyan color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #51DDF0?

#51DDF0 in RGB is (81, 221, 240) - 81 red, 221 green, and 240 blue.

How to use #51DDF0 in CSS?

Use #51DDF0 directly in your CSS properties like color or background-color.

What colors go well with #51DDF0?

#F06451 (complementary), #51F0B3 (analogous), and #14C9E1 (lighter shade) work well with #51DDF0.