#517B66 Color Information

Hex color code: #517B66

The hex color #517B66 is a gentle cyan with RGB values of (81, 123, 102) and HSL of (150°, 21%, 40%). It is frequently seen in web interfaces.

Try:

Color NameSea Green

HEX

#517B66

RGB

81, 123, 102

HSL

150°, 21%, 40%

CMYK

34%, 0%, 17%, 52%

Shades

CSS Usage

color: #517B66;
background-color: #517B66;
border-color: #517B66;
box-shadow: 0 0 10px #517B66;
border: 2px solid #517B66;

Tailwind Usage

bg-[#517B66]
text-[#517B66]
border-[#517B66]
shadow-[0_0_10px_517B66]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #517B66, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #517B66; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #517B66; 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 #517B66; background-color: #517B6615; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #517B6620; border-left: 4px solid #517B66; }

Link / Accent

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

a { color: #517B66; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #517B66 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

81, 123, 102

Red: 81 / Green: 123 / Blue: 102

HSL

150°, 21%, 40%

Hue: 150° / Saturation: 21% / Lightness: 40%

CMYK

34%, 0%, 17%, 52%

Cyan: 34% / Magenta: 0% / Yellow: 17% / Key: 52%

What color is #517B66?

#517B66 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

7B5166

Color Palette

HEX to RGB

Convert #517B66 to RGB:

rgb(81, 123, 102)HEX to RGB Converter →

HEX to HSL

Convert #517B66 to HSL:

hsl(150, 21%, 40%)RGB to HSL Converter →

HEX to CMYK

Convert #517B66 to CMYK:

cmyk(34%, 0%, 17%, 52%)Color Converter →

Color Meaning and Usage

A gentle cyan tone, #517B66 has RGB (81, 123, 102) and HSL (150°, 21%, 40%). 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 #517B66 is #7B5166, creating high-contrast pairings. For softer combinations, try analogous colors like #517B51.

Use #517B66 in CSS: color: #517B66 or background-color: #517B66. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #517B66

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

Contrast Ratio: 4.37:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #517B66?

#517B66 is a gentle cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #517B66?

#517B66 in RGB is (81, 123, 102) - 81 red, 123 green, and 102 blue.

How to use #517B66 in CSS?

Use #517B66 directly in your CSS properties like color or background-color.

What colors go well with #517B66?

#7B5166 (complementary), #517B51 (analogous), and #324D40 (lighter shade) work well with #517B66.