#66E5C5 Color Information

Hex color code: #66E5C5

#66E5C5 is a vivid cyan color. In RGB it is (102, 229, 197), and in HSL it is (165°, 71%, 65%). It is commonly used in modern UI design.

Try:

Color NameMedium Aquamarine

HEX

#66E5C5

RGB

102, 229, 197

HSL

165°, 71%, 65%

CMYK

55%, 0%, 14%, 10%

Shades

CSS Usage

color: #66E5C5;
background-color: #66E5C5;
border-color: #66E5C5;
box-shadow: 0 0 10px #66E5C5;
border: 2px solid #66E5C5;

Tailwind Usage

bg-[#66E5C5]
text-[#66E5C5]
border-[#66E5C5]
shadow-[0_0_10px_66E5C5]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #66E5C5, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #66E5C5; color: #000000; }

Badge

New Feature

.badge { background-color: #66E5C5; 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 #66E5C5; background-color: #66E5C515; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #66E5C520; border-left: 4px solid #66E5C5; }

Link / Accent

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

a { color: #66E5C5; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #66E5C5 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

102, 229, 197

Red: 102 / Green: 229 / Blue: 197

HSL

165°, 71%, 65%

Hue: 165° / Saturation: 71% / Lightness: 65%

CMYK

55%, 0%, 14%, 10%

Cyan: 55% / Magenta: 0% / Yellow: 14% / Key: 10%

What color is #66E5C5?

#66E5C5 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

E56686

Color Palette

HEX to RGB

Convert #66E5C5 to RGB:

rgb(102, 229, 197)HEX to RGB Converter →

HEX to HSL

Convert #66E5C5 to HSL:

hsl(165, 71%, 65%)RGB to HSL Converter →

HEX to CMYK

Convert #66E5C5 to CMYK:

cmyk(55%, 0%, 14%, 10%)Color Converter →

Color Meaning and Usage

A dynamic cyan tone, #66E5C5 has RGB (102, 229, 197) and HSL (165°, 71%, 65%). Known for evoking trust and professionalism, this cyan-blue hue is frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #66E5C5 is #E56686, creating high-contrast pairings. For softer combinations, try analogous colors like #66E586.

Use #66E5C5 in CSS: color: #66E5C5 or background-color: #66E5C5. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #66E5C5

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

Contrast Ratio: 13.58:1

WCAG AA: Pass

WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #66E5C5?

#66E5C5 is a dynamic cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #66E5C5?

#66E5C5 in RGB is (102, 229, 197) - 102 red, 229 green, and 197 blue.

How to use #66E5C5 in CSS?

Use #66E5C5 directly in your CSS properties like color or background-color.

What colors go well with #66E5C5?

#E56686 (complementary), #66E586 (analogous), and #25DAAD (lighter shade) work well with #66E5C5.