#66E5B9 Color Information

Hex color code: #66E5B9

#66E5B9 is a eye-catching cyan color. In RGB it is (102, 229, 185), and in HSL it is (159°, 71%, 65%). It is widely used in graphic design.

Try:
Color NameMedium Aquamarine
HEX
#66E5B9
RGB
102, 229, 185
HSL
159°, 71%, 65%
CMYK
55%, 0%, 19%, 10%

Shades

CSS Usage
color: #66E5B9;
background-color: #66E5B9;
border-color: #66E5B9;
box-shadow: 0 0 10px #66E5B9;
border: 2px solid #66E5B9;
Tailwind Usage
bg-[#66E5B9]
text-[#66E5B9]
border-[#66E5B9]
shadow-[0_0_10px_66E5B9]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #66E5B9, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #66E5B9; color: #000000; }

Badge

New Feature
.badge { background-color: #66E5B9; 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 #66E5B9; background-color: #66E5B915; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #66E5B920; border-left: 4px solid #66E5B9; }

Link / Accent

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

a { color: #66E5B9; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #66E5B9 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 229, 185

Red: 102 / Green: 229 / Blue: 185

HSL

159°, 71%, 65%

Hue: 159° / Saturation: 71% / Lightness: 65%

CMYK

55%, 0%, 19%, 10%

Cyan: 55% / Magenta: 0% / Yellow: 19% / Key: 10%

What color is #66E5B9?

#66E5B9 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #66E5B9 to RGB:

rgb(102, 229, 185)HEX to RGB Converter →

HEX to HSL

Convert #66E5B9 to HSL:

hsl(159, 71%, 65%)RGB to HSL Converter →

HEX to CMYK

Convert #66E5B9 to CMYK:

cmyk(55%, 0%, 19%, 10%)Color Converter →

Color Meaning and Usage

#66E5B9 is a vivid cyan color with RGB values of 102, 229, 185 and HSL of 159°, 71%, 65%. This cyan-blue hue evokes trust and professionalism, making it suitable for a common choice for dashboards and SaaS products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #66E5B9 is #E56693, creating high-contrast pairings. For softer combinations, try analogous colors like #66E579.

Use #66E5B9 in CSS: color: #66E5B9 or background-color: #66E5B9. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #66E5B9

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

Contrast Ratio: 13.47:1
WCAG AA: Pass
WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #66E5B9?

#66E5B9 is a vivid cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #66E5B9?

#66E5B9 in RGB is (102, 229, 185) - 102 red, 229 green, and 185 blue.

How to use #66E5B9 in CSS?

Use #66E5B9 directly in your CSS properties like color or background-color.

What colors go well with #66E5B9?

#E56693 (complementary), #66E579 (analogous), and #25DA9B (lighter shade) work well with #66E5B9.