#66FFFF Color Information

Hex color code: #66FFFF

The hex color #66FFFF is a vivid cyan with RGB values of (102, 255, 255) and HSL of (180°, 100%, 70%). It is commonly used in modern UI design.

Try:
Color NameAquamarine
HEX
#66FFFF
RGB
102, 255, 255
HSL
180°, 100%, 70%
CMYK
60%, 0%, 0%, 0%

Shades

CSS Usage
color: #66FFFF;
background-color: #66FFFF;
border-color: #66FFFF;
box-shadow: 0 0 10px #66FFFF;
border: 2px solid #66FFFF;
Tailwind Usage
bg-[#66FFFF]
text-[#66FFFF]
border-[#66FFFF]
shadow-[0_0_10px_66FFFF]

Generate Gradient

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

Preview in UI

Button

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

Badge

New Feature
.badge { background-color: #66FFFF; 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 #66FFFF; background-color: #66FFFF15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #66FFFF20; border-left: 4px solid #66FFFF; }

Link / Accent

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

a { color: #66FFFF; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

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

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 255, 255

Red: 102 / Green: 255 / Blue: 255

HSL

180°, 100%, 70%

Hue: 180° / Saturation: 100% / Lightness: 70%

CMYK

60%, 0%, 0%, 0%

Cyan: 60% / Magenta: 0% / Yellow: 0% / Key: 0%

What color is #66FFFF?

#66FFFF is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #66FFFF to RGB:

rgb(102, 255, 255)HEX to RGB Converter →

HEX to HSL

Convert #66FFFF to HSL:

hsl(180, 100%, 70%)RGB to HSL Converter →

HEX to CMYK

Convert #66FFFF to CMYK:

cmyk(60%, 0%, 0%, 0%)Color Converter →

Color Meaning and Usage

#66FFFF is a striking cyan color with RGB values of 102, 255, 255 and HSL of 180°, 100%, 70%. This highly saturated hue evokes energy and excitement, making it suitable for frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #66FFFF is #FF6666, creating high-contrast pairings. For softer combinations, try analogous colors like #66FFB3.

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

Contrast with #66FFFF

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

Contrast Ratio: 17.31:1
WCAG AA: Pass
WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #66FFFF?

#66FFFF is a striking cyan color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #66FFFF?

#66FFFF in RGB is (102, 255, 255) - 102 red, 255 green, and 255 blue.

How to use #66FFFF in CSS?

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

What colors go well with #66FFFF?

#FF6666 (complementary), #66FFB3 (analogous), and #1AFFFF (lighter shade) work well with #66FFFF.